diff --git a/src/main/java/com/twentythree/peech/common/utils/ScriptUtils.java b/src/main/java/com/twentythree/peech/common/utils/ScriptUtils.java
index 3041091..d44a7e0 100644
--- a/src/main/java/com/twentythree/peech/common/utils/ScriptUtils.java
+++ b/src/main/java/com/twentythree/peech/common/utils/ScriptUtils.java
@@ -4,14 +4,14 @@
 
 public class ScriptUtils {
     public static LocalTime calculateExpectedTime(String text) {
+        final int DEFAULT_SPM = 355;
 
-        final float DEFAULT_TIME_PER_WORD_SECOND = 1.75F; //LocalTime.of(0,0,1, 750000000);
+        long count = text.chars().filter(ch -> ch == '.').count();
 
-        String[] words = text.split(" ");
-        int wordsCount = words.length;
+        String noSpaceText = text.replaceAll("[^가-힣]", "");
+        int SyllableFromText = noSpaceText.length();
+        float expectedTimeToSecond = (float) SyllableFromText / DEFAULT_SPM * 60 + count * 1;
 
-        float expectedTimeToSecond = wordsCount * DEFAULT_TIME_PER_WORD_SECOND;
-        expectedTimeToSecond /= 3f;
         LocalTime expectedTime = transferSeoondToLocalTime(expectedTimeToSecond);
 
         return expectedTime;
diff --git a/src/main/java/com/twentythree/peech/feedback/application/FeedbackService.java b/src/main/java/com/twentythree/peech/feedback/application/FeedbackService.java
new file mode 100644
index 0000000..1337b45
--- /dev/null
+++ b/src/main/java/com/twentythree/peech/feedback/application/FeedbackService.java
@@ -0,0 +1,28 @@
+package com.twentythree.peech.feedback.application;
+
+import com.twentythree.peech.auth.service.SecurityContextHolder;
+import com.twentythree.peech.feedback.domain.FeedbackDomain;
+import com.twentythree.peech.feedback.domain.FeedbackMapper;
+import com.twentythree.peech.script.service.ThemeService;
+import com.twentythree.peech.user.entity.UserEntity;
+import com.twentythree.peech.user.repository.UserRepository;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+@RequiredArgsConstructor
+@Service
+public class FeedbackService {
+
+    private final FeedbackMapper feedbackMapper;
+    private final ThemeService themeService;
+    private final UserRepository userRepository;
+
+    public void createFeedback(String message) {
+        Long userId = SecurityContextHolder.getUserId();
+        UserEntity user = userRepository.findById(userId).orElseThrow(() -> new IllegalArgumentException("User not found"));
+
+        FeedbackDomain feedbackDomain = FeedbackDomain.of(null, message, userId, user.getAuthorizationServer(), user.getFirstName(), user.getLastName(), user.getBirth(), user.getGender(), user.getEmail(), user.getNickName(), user.getRole(), user.getSignUpFinished(), user.getUserStatus());
+
+        feedbackMapper.insertFeedback(feedbackDomain);
+    }
+}
diff --git a/src/main/java/com/twentythree/peech/feedback/domain/FeedbackDomain.java b/src/main/java/com/twentythree/peech/feedback/domain/FeedbackDomain.java
new file mode 100644
index 0000000..f9ec225
--- /dev/null
+++ b/src/main/java/com/twentythree/peech/feedback/domain/FeedbackDomain.java
@@ -0,0 +1,29 @@
+package com.twentythree.peech.feedback.domain;
+
+
+import com.twentythree.peech.user.value.*;
+import lombok.*;
+
+import javax.annotation.Nullable;
+import java.time.LocalDate;
+
+@Getter
+@Setter(AccessLevel.PACKAGE)
+@AllArgsConstructor(staticName = "of")
+public class FeedbackDomain {
+
+    private Long feedbackId;
+    private String feedbackMessage;
+
+    private Long userId;
+    private AuthorizationServer authorizationServer;
+    private String firstName;
+    private String lastName;
+    private LocalDate birth;
+    private UserGender gender;
+    private String email;
+    private String nickName;
+    private UserRole role;
+    private SignUpFinished signUpFinished;
+    private UserStatus userStatus;
+}
diff --git a/src/main/java/com/twentythree/peech/feedback/domain/FeedbackMapper.java b/src/main/java/com/twentythree/peech/feedback/domain/FeedbackMapper.java
new file mode 100644
index 0000000..c7263b6
--- /dev/null
+++ b/src/main/java/com/twentythree/peech/feedback/domain/FeedbackMapper.java
@@ -0,0 +1,6 @@
+package com.twentythree.peech.feedback.domain;
+
+
+public interface FeedbackMapper {
+    void insertFeedback(FeedbackDomain feedbackDomain);
+}
diff --git a/src/main/java/com/twentythree/peech/feedback/entity/Feedback.java b/src/main/java/com/twentythree/peech/feedback/entity/Feedback.java
new file mode 100644
index 0000000..d70a0af
--- /dev/null
+++ b/src/main/java/com/twentythree/peech/feedback/entity/Feedback.java
@@ -0,0 +1,30 @@
+package com.twentythree.peech.feedback.entity;
+
+
+import com.twentythree.peech.user.entity.UserEntity;
+import jakarta.persistence.*;
+import lombok.*;
+
+@Getter
+@Builder
+@AllArgsConstructor(staticName = "of")
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+@Table(name = "FEEDBACK")
+@Entity
+public class Feedback {
+
+    @Id @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @Column(name = "feedback_id")
+    private Long feedbackId;
+
+    @JoinColumn(name = "userId", nullable = false)
+    @ManyToOne(fetch = FetchType.LAZY)
+    private UserEntity user;
+
+    @Column(name = "feedback_message", nullable = false)
+    private String feedbackMessage;
+
+    public static Feedback ofJpa(UserEntity user, String feedbackMessage) {
+        return Feedback.builder().user(user).feedbackMessage(feedbackMessage).build();
+    }
+}
diff --git a/src/main/java/com/twentythree/peech/feedback/infrastructure/FeedbackMapperImpl.java b/src/main/java/com/twentythree/peech/feedback/infrastructure/FeedbackMapperImpl.java
new file mode 100644
index 0000000..ff91534
--- /dev/null
+++ b/src/main/java/com/twentythree/peech/feedback/infrastructure/FeedbackMapperImpl.java
@@ -0,0 +1,28 @@
+package com.twentythree.peech.feedback.infrastructure;
+
+import com.twentythree.peech.feedback.domain.FeedbackDomain;
+import com.twentythree.peech.feedback.domain.FeedbackMapper;
+import com.twentythree.peech.feedback.entity.Feedback;
+import com.twentythree.peech.user.entity.UserEntity;
+import com.twentythree.peech.user.repository.UserRepository;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Repository;
+import org.springframework.transaction.annotation.Transactional;
+
+
+@RequiredArgsConstructor
+@Repository
+public class FeedbackMapperImpl implements FeedbackMapper {
+
+    private final JpaFeedbackRepository feedbackRepository;
+    private final UserRepository userRepository;
+
+    @Override
+    @Transactional
+    public void insertFeedback(FeedbackDomain feedbackDomain) {
+
+        UserEntity userEntity = userRepository.findById(feedbackDomain.getUserId()).orElseThrow(() -> new IllegalArgumentException("잘못된 사용자 입니다."));
+
+        feedbackRepository.save(Feedback.ofJpa(userEntity, feedbackDomain.getFeedbackMessage()));
+    }
+}
diff --git a/src/main/java/com/twentythree/peech/feedback/infrastructure/JpaFeedbackRepository.java b/src/main/java/com/twentythree/peech/feedback/infrastructure/JpaFeedbackRepository.java
new file mode 100644
index 0000000..f169229
--- /dev/null
+++ b/src/main/java/com/twentythree/peech/feedback/infrastructure/JpaFeedbackRepository.java
@@ -0,0 +1,9 @@
+package com.twentythree.peech.feedback.infrastructure;
+
+import com.twentythree.peech.feedback.entity.Feedback;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface JpaFeedbackRepository extends JpaRepository<Feedback, Long> {
+}
diff --git a/src/main/java/com/twentythree/peech/feedback/presentation/FeedbackController.java b/src/main/java/com/twentythree/peech/feedback/presentation/FeedbackController.java
new file mode 100644
index 0000000..958f2d7
--- /dev/null
+++ b/src/main/java/com/twentythree/peech/feedback/presentation/FeedbackController.java
@@ -0,0 +1,20 @@
+package com.twentythree.peech.feedback.presentation;
+
+import com.twentythree.peech.feedback.application.FeedbackService;
+import com.twentythree.peech.feedback.value.request.CreateFeedbackRequestDTO;
+import lombok.RequiredArgsConstructor;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RestController;
+
+@RequiredArgsConstructor
+@RestController
+public class FeedbackController {
+
+    private final FeedbackService feedbackService;
+
+    @PostMapping("api/v1.1/users/feedbacks")
+    public void createFeedback(@RequestBody CreateFeedbackRequestDTO message) {
+        feedbackService.createFeedback(message.getMessage());
+    }
+}
diff --git a/src/main/java/com/twentythree/peech/feedback/value/request/CreateFeedbackRequestDTO.java b/src/main/java/com/twentythree/peech/feedback/value/request/CreateFeedbackRequestDTO.java
new file mode 100644
index 0000000..92f3d85
--- /dev/null
+++ b/src/main/java/com/twentythree/peech/feedback/value/request/CreateFeedbackRequestDTO.java
@@ -0,0 +1,12 @@
+package com.twentythree.peech.feedback.value.request;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Getter
+@NoArgsConstructor
+@AllArgsConstructor
+public class CreateFeedbackRequestDTO {
+    private String message;
+}