diff --git a/src/main/java/com/cmc/selfdevelopment/domain/improvement/controller/ImprovementController.java b/src/main/java/com/cmc/selfdevelopment/domain/improvement/controller/ImprovementController.java
index e60dbd7..3e6cecb 100644
--- a/src/main/java/com/cmc/selfdevelopment/domain/improvement/controller/ImprovementController.java
+++ b/src/main/java/com/cmc/selfdevelopment/domain/improvement/controller/ImprovementController.java
@@ -1,9 +1,6 @@
 package com.cmc.selfdevelopment.domain.improvement.controller;
 
-import com.cmc.selfdevelopment.domain.improvement.dto.ChangeDoneDto;
-import com.cmc.selfdevelopment.domain.improvement.dto.CreateTodoDto;
-import com.cmc.selfdevelopment.domain.improvement.dto.ImprovementDto;
-import com.cmc.selfdevelopment.domain.improvement.dto.TodoDto;
+import com.cmc.selfdevelopment.domain.improvement.dto.*;
 import com.cmc.selfdevelopment.domain.improvement.service.ImprovementService;
 import com.cmc.selfdevelopment.domain.improvement.service.TodoService;
 import com.cmc.selfdevelopment.domain.user.UserTempService;
@@ -26,7 +23,7 @@
 
 @RestController
 @RequiredArgsConstructor
-@RequestMapping("/improvement-management")
+@RequestMapping("/api/improvement-management")
 @Slf4j
 public class ImprovementController {
 
@@ -83,4 +80,10 @@ public ResponseEntity<ApiResponse<List<TodoDto>>> showTodo(@RequestParam("date")
         return ResponseEntity.status(HttpStatus.CREATED).body(new ApiResponse(ResponseCode.TODO_LIST, todoService.findAllTodo(date)));
     }
 
+    @Operation(summary = "특정 월에 해당하는 퍼센트", description = "특정 월에 해당하는 모든 날짜의 완성도 퍼센티지를 리턴")
+    @GetMapping("/todo/month")
+    public ResponseEntity<ApiResponse<List<TodoPercentDto>>> showTodoPercent(@RequestParam("date") Date date){
+
+        return ResponseEntity.status(HttpStatus.CREATED).body(new ApiResponse(ResponseCode.TODO_MONTH_PERCENT, todoService.findMonthPercent(date)));
+    }
 }
diff --git a/src/main/java/com/cmc/selfdevelopment/domain/improvement/dto/TodoPercentDto.java b/src/main/java/com/cmc/selfdevelopment/domain/improvement/dto/TodoPercentDto.java
new file mode 100644
index 0000000..64acfc1
--- /dev/null
+++ b/src/main/java/com/cmc/selfdevelopment/domain/improvement/dto/TodoPercentDto.java
@@ -0,0 +1,15 @@
+package com.cmc.selfdevelopment.domain.improvement.dto;
+
+import lombok.*;
+
+import java.sql.Date;
+
+@Getter
+@Builder
+@Setter
+@NoArgsConstructor
+@AllArgsConstructor
+public class TodoPercentDto {
+    private int percent;
+    private Date date;
+}
diff --git a/src/main/java/com/cmc/selfdevelopment/domain/improvement/service/TodoService.java b/src/main/java/com/cmc/selfdevelopment/domain/improvement/service/TodoService.java
index 35a9df3..cb5cb97 100644
--- a/src/main/java/com/cmc/selfdevelopment/domain/improvement/service/TodoService.java
+++ b/src/main/java/com/cmc/selfdevelopment/domain/improvement/service/TodoService.java
@@ -1,9 +1,6 @@
 package com.cmc.selfdevelopment.domain.improvement.service;
 
-import com.cmc.selfdevelopment.domain.improvement.dto.ChangeDoneDto;
-import com.cmc.selfdevelopment.domain.improvement.dto.CreateTodoDto;
-import com.cmc.selfdevelopment.domain.improvement.dto.ImprovementDto;
-import com.cmc.selfdevelopment.domain.improvement.dto.TodoDto;
+import com.cmc.selfdevelopment.domain.improvement.dto.*;
 import com.cmc.selfdevelopment.domain.improvement.entity.Improvement;
 import com.cmc.selfdevelopment.domain.improvement.entity.Todo;
 import com.cmc.selfdevelopment.domain.improvement.repository.TodoRepository;
@@ -15,6 +12,8 @@
 import org.springframework.stereotype.Service;
 
 import java.sql.Date;
+import java.time.Month;
+import java.time.Year;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Optional;
@@ -86,4 +85,34 @@ public List<TodoDto> findAllTodo(Date date) {
                         .build())
                 .collect(Collectors.toList());
     }
+
+    public List<TodoPercentDto> findMonthPercent(Date date) {
+        Year year = Year.of(date.getYear());
+        Month month = Month.of(date.getMonth() + 1);
+        int lastDay = month.length(year.isLeap());
+        List<TodoPercentDto> todoPercentDtos = new ArrayList<>();
+        System.out.println(year.getValue());
+        System.out.println(month.getValue());
+        System.out.println(lastDay);
+        for(int i = 1; i <= lastDay; i++){
+            Date eachDate = new Date(year.getValue(), month.getValue() - 1, i);
+            List<TodoDto> todos = findAllTodo(eachDate);
+            todoPercentDtos.add(TodoPercentDto.builder()
+                    .percent(todos.size() == 0 ? 0 : countDone(todos)*100/todos.size())
+                    .date(eachDate)
+                    .build());
+        }
+
+        return todoPercentDtos;
+    }
+
+    public int countDone(List<TodoDto> todoDtos){
+        int cnt = 0;
+        for(TodoDto todoDto : todoDtos){
+            if(todoDto.isDone()){
+                cnt++;
+            }
+        }
+        return cnt;
+    }
 }
diff --git a/src/main/java/com/cmc/selfdevelopment/global/common/api/ResponseCode.java b/src/main/java/com/cmc/selfdevelopment/global/common/api/ResponseCode.java
index 0ed4b40..77f50fa 100644
--- a/src/main/java/com/cmc/selfdevelopment/global/common/api/ResponseCode.java
+++ b/src/main/java/com/cmc/selfdevelopment/global/common/api/ResponseCode.java
@@ -20,7 +20,8 @@ public enum ResponseCode {
     GET_DIARY(HttpStatus.OK, "회고 조회에 성공하였습니다."),
     DIARY_DELETED(HttpStatus.OK, "회고 삭제에 성공하였습니다." ),
     TODO_CHANGE(HttpStatus.OK, "isDone 변경에 성공했습니다."),
-    TODO_LIST(HttpStatus.OK, "해당 날짜의 Todo 리스트입니다")
+    TODO_LIST(HttpStatus.OK, "해당 날짜의 Todo 리스트입니다"),
+    TODO_MONTH_PERCENT(HttpStatus.OK, "특정 달의 TODO 성취도 입니다")
     ;
     private final HttpStatus status;
     private final String message;