diff --git a/src/main/kotlin/simplerag/ragback/domain/prompt/controller/PromptController.kt b/src/main/kotlin/simplerag/ragback/domain/prompt/controller/PromptController.kt
new file mode 100644
index 0000000..368f39f
--- /dev/null
+++ b/src/main/kotlin/simplerag/ragback/domain/prompt/controller/PromptController.kt
@@ -0,0 +1,26 @@
+package simplerag.ragback.domain.prompt.controller
+
+import jakarta.validation.Valid
+import org.springframework.http.HttpStatus
+import org.springframework.web.bind.annotation.*
+import simplerag.ragback.domain.prompt.dto.PromptCreateRequest
+import simplerag.ragback.domain.prompt.dto.PromptPreviewResponse
+import simplerag.ragback.domain.prompt.service.PromptService
+import simplerag.ragback.global.response.ApiResponse
+
+@RestController
+@RequestMapping("/api/v1/prompts")
+class PromptController(
+    private val promptService: PromptService
+) {
+
+    @PostMapping
+    @ResponseStatus(HttpStatus.CREATED)
+    fun createPrompt(
+        @RequestBody @Valid promptCreateRequest: PromptCreateRequest
+    ): ApiResponse<PromptPreviewResponse> {
+        val savedPrompt = promptService.createPrompt(promptCreateRequest)
+        return ApiResponse.ok(savedPrompt)
+    }
+
+}
\ No newline at end of file
diff --git a/src/main/kotlin/simplerag/ragback/domain/prompt/dto/PromptRequestDTO.kt b/src/main/kotlin/simplerag/ragback/domain/prompt/dto/PromptRequestDTO.kt
new file mode 100644
index 0000000..95ea0b1
--- /dev/null
+++ b/src/main/kotlin/simplerag/ragback/domain/prompt/dto/PromptRequestDTO.kt
@@ -0,0 +1,13 @@
+package simplerag.ragback.domain.prompt.dto
+
+import jakarta.validation.constraints.Size
+import simplerag.ragback.domain.prompt.entity.enums.PreSet
+
+
+data class PromptCreateRequest(
+    @field:Size(max = 100)
+    val name: String,
+    val preSet: PreSet,
+    @field:Size(max = 20000)
+    val systemPrompt: String,
+)
\ No newline at end of file
diff --git a/src/main/kotlin/simplerag/ragback/domain/prompt/dto/PromptResponseDTO.kt b/src/main/kotlin/simplerag/ragback/domain/prompt/dto/PromptResponseDTO.kt
new file mode 100644
index 0000000..43d73ff
--- /dev/null
+++ b/src/main/kotlin/simplerag/ragback/domain/prompt/dto/PromptResponseDTO.kt
@@ -0,0 +1,15 @@
+package simplerag.ragback.domain.prompt.dto
+
+import simplerag.ragback.domain.prompt.entity.Prompt
+
+data class PromptPreviewResponse(
+    val id: Long,
+) {
+    companion object {
+        fun from(
+            prompt: Prompt
+        ): PromptPreviewResponse {
+            return PromptPreviewResponse(prompt.id)
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/main/kotlin/simplerag/ragback/domain/prompt/entity/Prompt.kt b/src/main/kotlin/simplerag/ragback/domain/prompt/entity/Prompt.kt
index 0fd5cc2..637d652 100644
--- a/src/main/kotlin/simplerag/ragback/domain/prompt/entity/Prompt.kt
+++ b/src/main/kotlin/simplerag/ragback/domain/prompt/entity/Prompt.kt
@@ -1,7 +1,8 @@
 package simplerag.ragback.domain.prompt.entity
 
-import jakarta.persistence.*
 import simplerag.ragback.domain.prompt.entity.enums.PreSet
+import jakarta.persistence.*
+import simplerag.ragback.domain.prompt.dto.PromptCreateRequest
 import simplerag.ragback.global.entity.BaseEntity
 
 @Entity
@@ -19,8 +20,31 @@ class Prompt(
     @Lob
     val systemPrompt: String,
 
-) : BaseEntity() {
+    ) : BaseEntity() {
     @Id @GeneratedValue(strategy = GenerationType.IDENTITY)
     @Column(name = "prompts_id")
     val id: Long = 0
+
+    companion object {
+        fun from(
+            promptCreateRequest: PromptCreateRequest
+        ): Prompt {
+
+            val prompt = if (promptCreateRequest.preSet == PreSet.CUSTOM) {
+                Prompt(
+                    promptCreateRequest.name,
+                    promptCreateRequest.preSet,
+                    promptCreateRequest.systemPrompt
+                )
+            } else {
+                Prompt(
+                    promptCreateRequest.name,
+                    promptCreateRequest.preSet,
+                    promptCreateRequest.preSet.defaultSystemPrompt
+                )
+            }
+
+            return prompt
+        }
+    }
 }
\ No newline at end of file
diff --git a/src/main/kotlin/simplerag/ragback/domain/prompt/entity/enums/PreSet.kt b/src/main/kotlin/simplerag/ragback/domain/prompt/entity/enums/PreSet.kt
index 21dab94..c812a88 100644
--- a/src/main/kotlin/simplerag/ragback/domain/prompt/entity/enums/PreSet.kt
+++ b/src/main/kotlin/simplerag/ragback/domain/prompt/entity/enums/PreSet.kt
@@ -1,5 +1,65 @@
 package simplerag.ragback.domain.prompt.entity.enums
 
-enum class PreSet {
-    NONE
+enum class PreSet(
+    val description: String,
+    val defaultSystemPrompt: String
+) {
+    CUSTOM(
+        "User-defined custom prompt",
+        "TODO: custom system prompt here"
+    ),
+
+    // Retrieval / Q&A
+    RAG_QA(
+        "Question Answering with retrieved context",
+        "TODO: system prompt for RAG_QA"
+    ),
+    RAG_SUMMARIZER(
+        "Summarize documents retrieved via RAG",
+        "TODO: system prompt for RAG_SUMMARIZER"
+    ),
+
+    // Code related
+    CODE_REVIEW_BACKEND(
+        "Backend code review (Java/Kotlin/Spring)",
+        "TODO: system prompt for CODE_REVIEW_BACKEND"
+    ),
+    CODE_REVIEW_GENERAL(
+        "General code review and best practices",
+        "TODO: system prompt for CODE_REVIEW_GENERAL"
+    ),
+
+    // Language tasks
+    TRANSLATION_EN_KO(
+        "English ↔ Korean translation",
+        "TODO: system prompt for TRANSLATION_EN_KO"
+    ),
+    TRANSLATION_MULTI(
+        "Multi-language translation",
+        "TODO: system prompt for TRANSLATION_MULTI"
+    ),
+    PROOFREAD_KR(
+        "Korean proofreading / grammar correction",
+        "TODO: system prompt for PROOFREAD_KR"
+    ),
+
+    // Content tasks
+    TEXT_SUMMARIZER(
+        "General text summarization",
+        "TODO: system prompt for TEXT_SUMMARIZER"
+    ),
+    DATA_CLEANER(
+        "Text cleaning and preprocessing",
+        "TODO: system prompt for DATA_CLEANER"
+    ),
+    EMAIL_WRITER(
+        "Email / message generation",
+        "TODO: system prompt for EMAIL_WRITER"
+    ),
+
+    // Safety / Guardrails
+    SAFETY_FILTERED(
+        "Safe response (avoid harmful or unsafe outputs)",
+        "TODO: system prompt for SAFETY_FILTERED"
+    )
 }
diff --git a/src/main/kotlin/simplerag/ragback/domain/prompt/repository/PromptRepository.kt b/src/main/kotlin/simplerag/ragback/domain/prompt/repository/PromptRepository.kt
new file mode 100644
index 0000000..fb893ff
--- /dev/null
+++ b/src/main/kotlin/simplerag/ragback/domain/prompt/repository/PromptRepository.kt
@@ -0,0 +1,6 @@
+package simplerag.ragback.domain.prompt.repository
+
+import org.springframework.data.jpa.repository.JpaRepository
+import simplerag.ragback.domain.prompt.entity.Prompt
+
+interface PromptRepository: JpaRepository<Prompt, Long>
\ No newline at end of file
diff --git a/src/main/kotlin/simplerag/ragback/domain/prompt/service/PromptService.kt b/src/main/kotlin/simplerag/ragback/domain/prompt/service/PromptService.kt
new file mode 100644
index 0000000..acb988d
--- /dev/null
+++ b/src/main/kotlin/simplerag/ragback/domain/prompt/service/PromptService.kt
@@ -0,0 +1,24 @@
+package simplerag.ragback.domain.prompt.service
+
+import org.springframework.stereotype.Service
+import org.springframework.transaction.annotation.Transactional
+import simplerag.ragback.domain.prompt.dto.PromptCreateRequest
+import simplerag.ragback.domain.prompt.dto.PromptPreviewResponse
+import simplerag.ragback.domain.prompt.entity.Prompt
+import simplerag.ragback.domain.prompt.repository.PromptRepository
+
+@Service
+@Transactional(readOnly = true)
+class PromptService(
+    private val promptRepository: PromptRepository
+) {
+
+    @Transactional
+    fun createPrompt(
+        promptCreateRequest: PromptCreateRequest
+    ): PromptPreviewResponse {
+        val prompt = Prompt.from(promptCreateRequest)
+        val savedPrompt = promptRepository.save(prompt)
+        return PromptPreviewResponse.from(savedPrompt)
+    }
+}
\ No newline at end of file