diff --git a/src/main/java/com/munjaon/server/queue/config/QueueHeaderConfig.java b/src/main/java/com/munjaon/server/queue/config/QueueHeaderConfig.java
new file mode 100644
index 0000000..9ae006c
--- /dev/null
+++ b/src/main/java/com/munjaon/server/queue/config/QueueHeaderConfig.java
@@ -0,0 +1,14 @@
+package com.munjaon.server.queue.config;
+
+public final class QueueHeaderConfig {
+    /** Queue File Header Length - [Create Date:10 Byte, Push Count:10 Byte] */
+    public static final int QUEUE_HEADER_LENGTH = 20;
+    /* 큐생성일 읽을 위치값 */
+    public static final int CREATE_DATE_POSITION = 0;
+    /* 큐생성일 읽을 크기 */
+    public static final int CREATE_DATE_LENGTH = 10;
+    /* 큐 쓰기 카운트 읽을 위치값 */
+    public static final int PUSH_COUNT_POSITION = 10;
+    /* 큐 쓰기 카운트 읽을 크기 */
+    public static final int PUSH_COUNT_LENGTH = 10;
+}
diff --git a/src/main/java/com/munjaon/server/queue/dto/LmsMessageDto.java b/src/main/java/com/munjaon/server/queue/dto/LmsMessageDto.java
new file mode 100644
index 0000000..9ed0fc3
--- /dev/null
+++ b/src/main/java/com/munjaon/server/queue/dto/LmsMessageDto.java
@@ -0,0 +1,12 @@
+package com.munjaon.server.queue.dto;
+
+import lombok.Getter;
+import lombok.Setter;
+import lombok.ToString;
+
+@Getter
+@Setter
+@ToString
+public class LmsMessageDto extends BasicMessageDto {
+    private String userSubject = "";
+}
diff --git a/src/main/java/com/munjaon/server/queue/dto/QueueInfo.java b/src/main/java/com/munjaon/server/queue/dto/QueueInfo.java
new file mode 100644
index 0000000..5b0e1ed
--- /dev/null
+++ b/src/main/java/com/munjaon/server/queue/dto/QueueInfo.java
@@ -0,0 +1,16 @@
+package com.munjaon.server.queue.dto;
+
+import lombok.Getter;
+import lombok.Setter;
+import lombok.ToString;
+
+@Getter
+@Setter
+@ToString
+public class QueueInfo {
+	private String queueName = "";
+	private String queueFileName = "";
+	private int queueDataLength = 0;
+	private String serviceType = "";
+	private String readXMLFileName = "";
+}
diff --git a/src/main/java/com/munjaon/server/queue/service/KakaoWriteQueue.java b/src/main/java/com/munjaon/server/queue/service/KakaoWriteQueue.java
new file mode 100644
index 0000000..f527906
--- /dev/null
+++ b/src/main/java/com/munjaon/server/queue/service/KakaoWriteQueue.java
@@ -0,0 +1,9 @@
+package com.munjaon.server.queue.service;
+
+import com.munjaon.server.queue.dto.KakaoMessageDto;
+
+public class KakaoWriteQueue extends WriteQueue {
+    public void pushBuffer(KakaoMessageDto data) throws Exception {
+
+    }
+}
diff --git a/src/main/java/com/munjaon/server/queue/service/LmsWriteQueue.java b/src/main/java/com/munjaon/server/queue/service/LmsWriteQueue.java
new file mode 100644
index 0000000..010c1f6
--- /dev/null
+++ b/src/main/java/com/munjaon/server/queue/service/LmsWriteQueue.java
@@ -0,0 +1,9 @@
+package com.munjaon.server.queue.service;
+
+import com.munjaon.server.queue.dto.LmsMessageDto;
+
+public class LmsWriteQueue extends WriteQueue {
+    public void pushBuffer(LmsMessageDto data) throws Exception {
+
+    }
+}
diff --git a/src/main/java/com/munjaon/server/queue/service/MmsWriteQueue.java b/src/main/java/com/munjaon/server/queue/service/MmsWriteQueue.java
new file mode 100644
index 0000000..647f4ed
--- /dev/null
+++ b/src/main/java/com/munjaon/server/queue/service/MmsWriteQueue.java
@@ -0,0 +1,9 @@
+package com.munjaon.server.queue.service;
+
+import com.munjaon.server.queue.dto.MmsMessageDto;
+
+public class MmsWriteQueue extends WriteQueue {
+    public void pushBuffer(MmsMessageDto data) throws Exception {
+
+    }
+}
diff --git a/src/main/java/com/munjaon/server/queue/service/SmsWriteQueue.java b/src/main/java/com/munjaon/server/queue/service/SmsWriteQueue.java
new file mode 100644
index 0000000..c940623
--- /dev/null
+++ b/src/main/java/com/munjaon/server/queue/service/SmsWriteQueue.java
@@ -0,0 +1,9 @@
+package com.munjaon.server.queue.service;
+
+import com.munjaon.server.queue.dto.BasicMessageDto;
+
+public class SmsWriteQueue extends WriteQueue {
+    public void pushBuffer(BasicMessageDto data) throws Exception {
+
+    }
+}
diff --git a/src/main/java/com/munjaon/server/queue/service/WriteQueue.java b/src/main/java/com/munjaon/server/queue/service/WriteQueue.java
new file mode 100644
index 0000000..4ea3002
--- /dev/null
+++ b/src/main/java/com/munjaon/server/queue/service/WriteQueue.java
@@ -0,0 +1,131 @@
+package com.munjaon.server.queue.service;
+
+import com.munjaon.server.queue.config.QueueConstants;
+import com.munjaon.server.queue.config.QueueHeaderConfig;
+import com.munjaon.server.queue.dto.QueueInfo;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.RandomAccessFile;
+import java.nio.ByteBuffer;
+import java.nio.channels.FileChannel;
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+
+public abstract class WriteQueue {
+    /** Queue Header Size - [Create Date:10 Byte, Push Count:10 Byte] */
+    protected static final int QUEUE_HEADER_LENGTH = 20;
+    /** Queue Create Date - [Format:YYYYMMDD] */
+    protected String createDate = "";
+    /** Queue Push Counter */
+    protected int pushCounter = 0;
+    /** Queue Header Buffer */
+    protected ByteBuffer headerBuffer = null;
+    /** Queue Information */
+    protected QueueInfo queueInfo = null;
+    /** Queue File Channel */
+    protected FileChannel channel = null;
+    /** Header 에서 사용하는 변수 */
+    protected byte[] headerArray = null;
+    /** pushBuffer() 함수에서 사용하는 변수 */
+    protected ByteBuffer dataBuffer = null;
+
+    protected void initQueue() throws Exception {
+        this.headerBuffer = ByteBuffer.allocateDirect(QueueHeaderConfig.QUEUE_HEADER_LENGTH);
+        try{
+            File file = new File(this.queueInfo.getQueueFileName());
+            this.channel = new RandomAccessFile(file, "rw").getChannel();
+            //this.lock = this.channel.lock();
+
+            if(file.length() == 0) {
+                // Push 및 Pop 카운트 초기화
+                this.createDate = LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyyMMdd"));
+                this.pushCounter = 0;
+                // 헤더 초기화
+                writeHeader();
+            }else{
+                readHeader();
+            }
+        }catch(Exception e){
+            throw e;
+        } finally {
+            //lock.release();
+        }
+    }
+
+    public void readHeader() throws Exception {
+        try {
+            initHeaderBuffer();
+            this.channel.position(0);
+            this.channel.read(this.headerBuffer);
+            this.headerArray = new byte[10];
+            // 생성날짜 가져오기 - 생성날짜(10) / 읽은카운트(10) / 쓴카운트(10)
+            this.headerBuffer.position(0);
+            this.headerBuffer.get(this.headerArray);
+            this.createDate = (new String(this.headerArray)).trim();
+            // 쓴 카운트 가져오기
+            this.headerArray = new byte[10];
+            this.headerBuffer.position(10);
+            this.headerBuffer.get(this.headerArray);
+            this.pushCounter = Integer.parseInt((new String(this.headerArray)).trim());
+        } catch(Exception e) {
+            throw e;
+        }
+    }
+
+    public void writeHeader() throws Exception {
+        try {
+            initHeaderBuffer();
+            this.channel.position(0);
+            this.headerBuffer.put(this.createDate.getBytes());
+            this.headerBuffer.position(10);
+            this.headerBuffer.put(Integer.toString(this.pushCounter).getBytes());
+            this.headerBuffer.flip();
+            this.channel.write(this.headerBuffer);
+        } catch(Exception e) {
+            throw e;
+        }
+    }
+
+    public void initHeaderBuffer(){
+        this.headerBuffer.clear();
+        for(int loopCnt = 0; loopCnt < QueueHeaderConfig.QUEUE_HEADER_LENGTH; loopCnt++){
+            this.headerBuffer.put(QueueConstants.SET_DEFAULT_BYTE);
+        }
+        this.headerBuffer.position(0);
+    }
+
+    public void close() throws IOException {
+        try {
+            if(channel != null && channel.isOpen()) {
+                channel.close();
+            }
+        } catch(IOException e) {
+            throw e;
+        }
+    }
+
+    public void truncateQueue() throws Exception{
+        try {
+            //this.lock = this.channel.lock();
+
+            if(channel != null && channel.isOpen()) {
+                // 헤더정보 읽기
+                readHeader();
+                String thisDate = LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyyMMdd"));
+                // 날짜가 지난경우와 더이상 읽을 데이터가 없을 경우 큐를 초기화
+                if((this.createDate.equals(thisDate) == false)){
+                    // 파일 내용을 모두 지운다.
+                    channel.truncate(0);
+                    // 헤더 정보를 초기화한다.
+                    this.createDate = thisDate;
+                    this.pushCounter = 0;
+                    // 헤더에 초기데이터를 저장
+                    writeHeader();
+                }
+            }
+        } catch(Exception e) {
+            throw e;
+        }
+    }
+}
diff --git a/src/main/java/com/munjaon/server/util/JobFileFactory.java b/src/main/java/com/munjaon/server/util/JobFileFactory.java
new file mode 100644
index 0000000..320303c
--- /dev/null
+++ b/src/main/java/com/munjaon/server/util/JobFileFactory.java
@@ -0,0 +1,474 @@
+package com.munjaon.server.util;
+
+import com.munjaon.server.util.dto.FileBaseDto;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.web.multipart.MultipartFile;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.nio.channels.FileChannel;
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+import java.util.ArrayList;
+import java.util.List;
+
+@Slf4j
+public final class JobFileFactory {
+    public static final Long MAX_LIMIT_BYTES = 10485760L;
+    /**
+     * 파일 관련 : 파일 객체 반환 : 디렉토리 경로 포함
+     * @param path
+     * @return
+     */
+    public static File getFile(final String path) {
+        if (path == null) {
+            return null;
+        }
+
+        return new File(path);
+    }
+
+    /**
+     * 파일 관련 : 파일 객체 반환 : 경로, 파일명
+     * @param path
+     * @param fileName
+     * @return
+     */
+    public static File getFile(final String path, final String fileName) {
+        return getFile(path + File.separator + fileName);
+    }
+
+    /**
+     * 파일관련 : 파일 존재 여부
+     * @param file
+     * @return
+     */
+    private static boolean exist(final File file) {
+        return file.exists();
+    }
+
+    /**
+     * 파일관련 : 파일 존재 여부
+     * @param path
+     * @return
+     */
+    public static boolean exist(final String path) {
+        if (path == null) {
+            return false;
+        }
+        log.info("path : {}", path);
+        return new File(path).exists();
+    }
+
+    /**
+     * 파일관련 : 파일 존재 여부
+     * @param path
+     * @param fileName
+     * @return
+     */
+    public static boolean exist(final String path, final String fileName) {
+        return exist(path + File.separator + fileName);
+    }
+
+    /**
+     * 파일관련 : 디렉토리 여부
+     * @param path
+     * @param fileName
+     * @return
+     */
+    public static boolean isDirectory(final String path, final String fileName) {
+        return getFile(path, fileName).isDirectory();
+    }
+
+    /**
+     * 파일관련 : 디렉토리 여부
+     * @param path
+     * @return
+     */
+    public static boolean isDirectory(final String path) {
+        return getFile(path).isDirectory();
+    }
+
+    /**
+     * 파일관련 : 디렉토리 여부
+     * @param file
+     * @return
+     */
+    public static boolean isDirectory(final File file) {
+        return file.isDirectory();
+    }
+
+    /**
+     * 파일관련 : 파일 여부
+     * @param path
+     * @param fileName
+     * @return
+     */
+    public static boolean isFile(final String path, final String fileName) {
+        return getFile(path, fileName).isFile();
+    }
+
+    /**
+     * 파일관련 : 파일 여부
+     * @param path
+     * @return
+     */
+    public static boolean isFile(final String path) {
+        return getFile(path).isFile();
+    }
+
+    /**
+     * 파일관련 : 파일 여부
+     * @param file
+     * @return
+     */
+    public static boolean isFile(final File file) {
+        return file.isFile();
+    }
+
+    /**
+     * 파일관련 : 파일, 디렉토리 삭제
+     * @param path
+     * @param fileName
+     * @return
+     */
+    public static boolean deleteFile(final String path, final String fileName) {
+        return getFile(path, fileName).delete();
+    }
+
+    /**
+     * 파일관련 : 파일, 디렉토리 삭제
+     * @param path
+     * @return
+     */
+    public static boolean deleteFile(final String path) {
+        return getFile(path).delete();
+    }
+
+    /**
+     * 파일관련 : 파일, 디렉토리 삭제
+     * @param file
+     * @return
+     */
+    public static boolean deleteFile(final File file) {
+        return file.delete();
+    }
+
+    /**
+     * 파일관련 : 파일 크기
+     * @param path
+     * @param fileName
+     * @return
+     */
+    public static long fileSize(final String path, final String fileName) {
+        return getFile(path, fileName).length();
+    }
+
+    /**
+     * 파일관련 : 파일 크기
+     * @param path
+     * @return
+     */
+    public static long fileSize(final String path) {
+        return getFile(path).length();
+    }
+
+    /**
+     * 파일관련 : 파일 크기
+     * @param file
+     * @return
+     */
+    public static long fileSize(final File file) {
+        return file.length();
+    }
+
+    /**
+     * 파일관련 : 다중 디렉토리 생성
+     * @param dirs
+     * @return
+     */
+    public static boolean makeMultiDirectory(final String dirs) {
+        return getFile(dirs).mkdirs();
+    }
+
+    /**
+     * 파일관련 : 디렉토리 생성
+     * @param dir
+     * @return
+     */
+    public static boolean makeDirectory(final String dir) {
+        return getFile(dir).mkdir();
+    }
+
+    /**
+     * 파일관련 : 파일 확장자 추출
+     * @param fileName
+     * @return
+     */
+    public static String getExtension(final String fileName) {
+        if (fileName == null) {
+            return null;
+        }
+        if (fileName.lastIndexOf(".") >= 0) {
+            return fileName.substring(fileName.lastIndexOf(".") + 1).toLowerCase();
+        }
+
+        return null;
+    }
+
+    /**
+     * 파일관련 : 파일 확장자 추출
+     * @param file
+     * @return
+     */
+    public static String getExtension(final File file) {
+        return getExtension(file.getName());
+    }
+
+    /**
+     * 파일관련 : 파일 명 추출
+     * @param fileName
+     * @return
+     */
+    public static String getFileName(final String fileName) {
+        if (fileName == null) {
+            return null;
+        }
+        if (fileName.lastIndexOf(".") >= 0) {
+            return fileName.substring(0, fileName.lastIndexOf("."));
+        }
+
+        return fileName;
+    }
+
+    /**
+     * 파일관련 : 파일 명 추출
+     * @param file
+     * @return
+     */
+    public static String getFileName(final File file) {
+        return getFileName(file.getName());
+    }
+
+    /**
+     * 파일관련 : 저장 파일 명 생성
+     * @param fileName
+     * @return
+     */
+    public static String getSaveFileName(final String fileName) {
+        if (fileName != null && fileName.lastIndexOf(".") >= 0) {
+            return LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyyMMddHHmmss")) + SerialNoUtil.getMultiAlphabet(3) + SerialNoUtil.getMultiNumeric(3) + SerialNoUtil.getMultiAlphabet(3) + SerialNoUtil.getMultiNumeric(7) + "." + getExtension(fileName);
+        }
+
+        return LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyyMMddHHmmss")) + SerialNoUtil.getMultiAlphabet(3) + SerialNoUtil.getMultiNumeric(3) + SerialNoUtil.getMultiAlphabet(3) + SerialNoUtil.getMultiNumeric(7);
+    }
+
+    /**
+     * 파일관련 : 저장 파일 명 생성
+     * @param file
+     * @return
+     */
+    public static String getSaveFileName(final File file) {
+        return getSaveFileName(file.getName());
+    }
+
+    /**
+     * 파일관련 : 파일 복사
+     * @param srcDir
+     * @param srcFileName
+     * @param destDir
+     * @return
+     * @throws IOException
+     */
+    public static boolean transferFile(final String srcDir, final String srcFileName, final String destDir) throws IOException {
+        return transferFile(srcDir, srcFileName, destDir, srcFileName);
+    }
+
+    /**
+     * 파일관련 : 파일 복사
+     * @param srcDir
+     * @param srcFileName
+     * @param destDir
+     * @param destFileName
+     * @return
+     * @throws IOException
+     */
+    public static boolean transferFile(final String srcDir, final String srcFileName, final String destDir, final String destFileName) throws IOException {
+        if (exist(srcDir + File.separator + srcFileName)) {
+            if (exist(destDir) == false) {
+                makeMultiDirectory(destDir);
+            }
+
+            return transferFile(srcDir + File.separator + srcFileName, destDir + File.separator + destFileName);
+        }
+
+        return false;
+    }
+
+    /**
+     * 파일관련 : 파일 복사
+     * @param srcPath
+     * @param destPath
+     * @return
+     * @throws IOException
+     */
+    public static boolean transferFile(final String srcPath, final String destPath) throws IOException {
+        return transferFile(new File(srcPath), new File(destPath));
+    }
+
+    /**
+     * 파일관련 : 파일 복사
+     * @param srcFile
+     * @param destFile
+     * @return
+     * @throws IOException
+     */
+    public static boolean transferFile(final File srcFile, final File destFile) throws IOException {
+        log.info("srcFile : {}", srcFile);
+        log.info("destFile : {}", destFile);
+        FileInputStream fis = new FileInputStream(srcFile);
+        FileOutputStream fos = new FileOutputStream(destFile);
+
+        FileChannel inputChannel = fis.getChannel();
+        FileChannel outputChannel = fos.getChannel();
+
+        boolean transferStatus = false;
+        if (inputChannel.size() > 0) {
+            transferStatus = true;
+            inputChannel.transferTo(0, inputChannel.size(), outputChannel);
+        }
+
+        fis.close();
+        fos.close();
+
+        return transferStatus;
+    }
+
+    public static String getJobDirectory(final String rootDirectory, final String orderNo, final String companyNo, final String date) {
+        return rootDirectory + File.separator + orderNo + File.separator + orderNo + "_" + companyNo + File.separator + date;
+    }
+
+    /**
+     * 파일관련 : 다중 파일 업로드
+     * @param path
+     * @param listMultipartFile
+     * @return
+     * @throws IOException
+     */
+    public static List<FileBaseDto> uploadMultiFile(final String path, final List<MultipartFile> listMultipartFile) throws IOException {
+        return uploadMultiFileEnableExtension(path, listMultipartFile, null);
+    }
+
+    /**
+     * 파일관련 : 다중 파일 업로드 : 허용 확장자
+     * @param path
+     * @param listMultipartFile
+     * @param listEnableExtension
+     * @return
+     * @throws IOException
+     */
+    public static List<FileBaseDto> uploadMultiFileEnableExtension(final String path, final List<MultipartFile> listMultipartFile, final String[] listEnableExtension) throws IOException {
+        if (listMultipartFile == null || listMultipartFile.size() == 0) {
+            return null;
+        }
+
+        List<FileBaseDto> listFile = null;
+        for (MultipartFile multipartFile : listMultipartFile) {
+            if (multipartFile.isEmpty()) {
+                continue;
+            }
+
+            FileBaseDto fileBaseDto = uploadFileEnableExtension(path, multipartFile, listEnableExtension);
+            if (fileBaseDto != null) {
+                if (listFile == null) {
+                    listFile = new ArrayList<>();
+                }
+                listFile.add(fileBaseDto);
+            }
+        }
+        return listFile;
+    }
+
+    /**
+     * 파일관련 : 파일 업로드
+     * @param path
+     * @param multipartFile
+     * @return
+     * @throws IOException
+     */
+    public static FileBaseDto uploadFile(final String path, final MultipartFile multipartFile) throws IOException {
+        return uploadFileEnableExtension(path, multipartFile, null);
+    }
+
+    /**
+     * 파일관련 : 파일 업로드 : 허용 확장자
+     * @param path
+     * @param multipartFile
+     * @param listEnableExtension
+     * @return
+     * @throws IOException
+     */
+    public static FileBaseDto uploadFileEnableExtension(final String path, final MultipartFile multipartFile, final String[] listEnableExtension) throws IOException {
+        if (multipartFile == null || multipartFile.isEmpty()) {
+            return null;
+        }
+        if (exist(path) == false) {
+            makeMultiDirectory(path);
+        }
+
+        boolean enableUpload = true;
+        if (listEnableExtension != null && listEnableExtension.length > 0) {
+            enableUpload = false;   // 가능한 확장자를 만나면 다시 true
+            String extension = getExtension(multipartFile.getOriginalFilename());
+            if (extension != null) {
+                for (String enableExtension : listEnableExtension) {
+                    if (extension.equals(enableExtension)) {
+                        enableUpload = true;
+                        break;
+                    }
+                }
+            }
+        }
+
+        FileBaseDto fileBaseDto = null;
+        if (enableUpload) {
+            fileBaseDto = new FileBaseDto();
+            fileBaseDto.setOriginFileName(multipartFile.getOriginalFilename());
+            fileBaseDto.setSaveFileName(getSaveFileName(multipartFile.getOriginalFilename()));
+            fileBaseDto.setFileSize(multipartFile.getSize());
+
+            String uploadPath = path + File.separator + fileBaseDto.getSaveFileName();
+            File uploadFile = new File(uploadPath);
+            multipartFile.transferTo(uploadFile);
+        }
+
+        return fileBaseDto;
+    }
+
+    public static Long uploadFileSize(final MultipartFile multipartFile) {
+        if (multipartFile == null || multipartFile.isEmpty()) {
+            return -1L;
+        }
+
+        return multipartFile.getSize();
+    }
+    /*  */
+    public static void main(String[] args) throws IOException {
+        System.out.println();
+//        File file = new File("d:\\example\\image.jpg");
+//        long bytes = file.length();
+//        long kilobyte = bytes / 1024;
+//        long megabyte = kilobyte / 1024;
+//        System.out.println(bytes + " byte"); // 3980059 byte        System.out.println(kilobyte + " kb"); // 3886 kb        System.out.println(megabyte + " mb"); // 3 mb
+//        File file = new File("c:\\example\\new_directory\\test.txt");
+//        boolean directoryCreated = file.mkdirs();
+        System.out.println("ext : " + JobFileFactory.getExtension("test"));
+        System.out.println("name : " + JobFileFactory.getFileName("test"));
+        System.out.println("name : " + JobFileFactory.getSaveFileName("test.txt"));
+        System.out.println("exist : " + JobFileFactory.exist("C:\\uploads\\20231129\\30e718ce1445499a9ef1c4929310c87f.xlsx"));
+        System.out.println("Now : " + LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyyMMdd")));
+//        System.out.println("transfer : " + JobFileFactory.transferFile("C:\\Docs", "test.txt", "C:\\Docs", "test2.txt"));
+    }
+}
diff --git a/src/main/java/com/munjaon/server/util/SerialNoUtil.java b/src/main/java/com/munjaon/server/util/SerialNoUtil.java
new file mode 100644
index 0000000..9f7717a
--- /dev/null
+++ b/src/main/java/com/munjaon/server/util/SerialNoUtil.java
@@ -0,0 +1,43 @@
+package com.munjaon.server.util;
+
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+
+public final class SerialNoUtil {
+    public static String getSerialNo() {
+        return LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyyMMdd")) + getMultiAlphabet(3) + getMultiNumeric(3) + getMultiAlphabet(2) + getMultiNumeric(6);
+    }
+
+    public static String getMultiAlphabet(final int count) {
+        if (count <= 0) {
+            return String.valueOf((char) ((Math.random() * 26) + 65));
+        }
+
+        StringBuilder retValue = new StringBuilder();
+        for (int i = 0; i < count; i++) {
+            retValue.append((char) ((Math.random() * 26) + 65));
+        }
+
+        return retValue.toString();
+    }
+
+    public static String getMultiNumeric(final int count) {
+        if (count <= 0) {
+            return String.valueOf((int) (Math.random() * 10));
+        }
+
+        StringBuilder retValue = new StringBuilder();
+        for (int i = 0; i < count; i++) {
+            retValue.append((int) (Math.random() * 10));
+        }
+
+        return retValue.toString();
+    }
+
+    public static String getNumber(String str) {
+        if (str == null) {
+            return null;
+        }
+        return str.replaceAll("[^0-9]","");
+    }
+}
diff --git a/src/main/java/com/munjaon/server/util/dto/FileBaseDto.java b/src/main/java/com/munjaon/server/util/dto/FileBaseDto.java
new file mode 100644
index 0000000..e0a384c
--- /dev/null
+++ b/src/main/java/com/munjaon/server/util/dto/FileBaseDto.java
@@ -0,0 +1,15 @@
+package com.munjaon.server.util.dto;
+
+import lombok.Getter;
+import lombok.Setter;
+import lombok.ToString;
+
+@Getter
+@Setter
+@ToString
+public class FileBaseDto {
+    protected String originFileName;  // 원본 파일명
+    protected String saveFileName;      // 저장 파일명
+    protected long fileSize;            // 파일 크기
+    protected String createdDt;
+}