diff --git a/src/main/java/org/ntlab/nemophila/resources/accounts/AccountPostRest.java b/src/main/java/org/ntlab/nemophila/resources/accounts/AccountPostRest.java
index 1d03b33..333391d 100644
--- a/src/main/java/org/ntlab/nemophila/resources/accounts/AccountPostRest.java
+++ b/src/main/java/org/ntlab/nemophila/resources/accounts/AccountPostRest.java
@@ -4,15 +4,24 @@
 import org.ntlab.nemophila.models.accounts.AccountManager;
 import org.ntlab.nemophila.models.accounts.Post;
 import org.ntlab.nemophila.models.shops.Shop;
+import org.ntlab.nemophila.utils.Base64Decode;
+import org.springframework.beans.BeansException;
 import org.springframework.stereotype.Component;
 
 import javax.ws.rs.*;
 import javax.ws.rs.core.MediaType;
 import javax.ws.rs.core.Response;
+import java.io.IOException;
 
 @Component
 @Path("/accounts")
 public class AccountPostRest {
+    private org.springframework.context.ApplicationContext applicationContext;
+
+    public void setApplicationContext(org.springframework.context.ApplicationContext applicationContext) throws BeansException {
+        this.applicationContext = applicationContext;
+    }
+
     @PUT
     @Path("/{uid}/posts/{pid}")
     public void putAccountPost(@PathParam("uid") String uid, @PathParam("pid") String pid, @FormParam("token") String token,
@@ -21,14 +30,27 @@
         AccountManager am = AccountManager.getInstance();
         Account account = am.getAccount(uid);
 
+        String pathDirectory = "";
+
         if(account != null && account.getToken().equals(token)) {
             Post post = account.getPost(pid);
+            String[] images = {image1, image2, image3};
+
             if (genre != null) post.setGenre(genre);
             if (image1 != null) post.setImage1(image1);
             if (image2 != null) post.setImage2(image2);
             if (image3 != null) post.setImage3(image3);
             if (rate != null) post.setRate(rate);
             if (comment != null) post.setComment(comment);
+
+            try {
+                pathDirectory = applicationContext.getResource("file:").getFile().getAbsolutePath() + "/apache-tomcat-9.0.10/webapps/nemophila-data";
+                Base64Decode.savePostImage(uid, post.getId(), pathDirectory, images);
+            } catch (IOException e){
+                e.printStackTrace();
+                throw new WebApplicationException(500);
+            }
+
         } else {
             var response = Response.status(Response.Status.NO_CONTENT);
             response.status(401).entity("tokenの認証に失敗");
diff --git a/src/main/java/org/ntlab/nemophila/resources/accounts/AccountPostsRest.java b/src/main/java/org/ntlab/nemophila/resources/accounts/AccountPostsRest.java
index fa51c5a..9be769e 100644
--- a/src/main/java/org/ntlab/nemophila/resources/accounts/AccountPostsRest.java
+++ b/src/main/java/org/ntlab/nemophila/resources/accounts/AccountPostsRest.java
@@ -1,21 +1,31 @@
 package org.ntlab.nemophila.resources.accounts;
 
+import com.fasterxml.jackson.databind.ser.Serializers;
 import org.ntlab.nemophila.models.accounts.Account;
 import org.ntlab.nemophila.models.accounts.AccountManager;
 import org.ntlab.nemophila.models.accounts.Post;
 import org.ntlab.nemophila.models.shops.Shop;
 import org.ntlab.nemophila.models.shops.ShopManager;
+import org.ntlab.nemophila.utils.Base64Decode;
+import org.springframework.beans.BeansException;
 import org.springframework.stereotype.Component;
 
 import javax.ws.rs.*;
 import javax.ws.rs.core.MediaType;
 import javax.ws.rs.core.Response;
+import java.io.IOException;
 import java.util.Collection;
 
 @Component
 @Path("/accounts")
 
 public class AccountPostsRest {
+    private org.springframework.context.ApplicationContext applicationContext;
+
+    public void setApplicationContext(org.springframework.context.ApplicationContext applicationContext) throws BeansException{
+        this.applicationContext = applicationContext;
+    }
+
     // 「/{uid}/posts」のPOSTメソッド
     @POST
     @Path("/{uid}/posts")
@@ -32,6 +42,8 @@
         ShopManager sm = ShopManager.getInstance();
         Shop shop = sm.getShop(sid);
 
+        String pathDirectory = "";
+
         /*
          （対象のアカウントインスタンスが）
          存在する場合：投稿を新規作成し、その投稿IDを返す
@@ -39,6 +51,16 @@
         */
         if (account != null && account.getToken().equals(token)) {
             Post post = account.createPost(shop, rate, genre, comme, img1, img2, img3);
+            String[] images = {img1, img2, img3};
+
+            try {
+                pathDirectory = applicationContext.getResource("file:").getFile().getAbsolutePath() + "/apache-tomcat-9.0.10/webapps/nemophila-data";
+                Base64Decode.savePostImage(uid, post.getId(), pathDirectory, images);
+            } catch (IOException e){
+                e.printStackTrace();
+                throw new WebApplicationException(500);
+            }
+
             return post.getId();
         } else if (!account.getToken().equals(token)){
             var response = Response.status(Response.Status.NO_CONTENT);
diff --git a/src/main/java/org/ntlab/nemophila/utils/Base64Decode.java b/src/main/java/org/ntlab/nemophila/utils/Base64Decode.java
new file mode 100644
index 0000000..a2b124f
--- /dev/null
+++ b/src/main/java/org/ntlab/nemophila/utils/Base64Decode.java
@@ -0,0 +1,47 @@
+package org.ntlab.nemophila.utils;
+
+import java.io.*;
+import java.util.Base64;
+
+public class Base64Decode {
+    private static void saveAsFile(String path, String enImage) throws IOException{
+        byte[] deData = Base64.getDecoder().decode(enImage);
+
+        File file = new File(path);
+
+        if(enImage == null) {
+            file.delete();
+            return;
+        }
+
+        file.getParentFile().mkdir();
+        file.createNewFile();
+
+        FileOutputStream fileOS = new FileOutputStream(file, false);
+        BufferedOutputStream bf = new BufferedOutputStream(fileOS);
+        bf.write(deData, 0, deData.length);
+
+        bf.close();
+    }
+
+    public static void saveIcon(String id, String path1, String enImage) throws IOException {
+        String fileName = "icon" + id + ".jpg";
+        String path = path1 + "/" + fileName;
+        saveAsFile(path, enImage);
+
+        System.out.println(path);
+    }
+
+    public static void savePostImage(String id, String pid, String path1, String[] enImage) throws IOException {
+        for(int i = 0; i < enImage.length; i++) {
+            String fileName = "post_image" + id + "-" + pid + "-" + (i+1) + ".jpg";
+            String path = path1 + "/" + fileName;
+
+            if(enImage[i] != null) {
+                saveAsFile(path, enImage[i]);
+            }
+
+            System.out.println(path);
+        }
+    }
+}