diff --git a/schema/openapi.yml b/schema/openapi.yml
index 42d99c9..0600493 100644
--- a/schema/openapi.yml
+++ b/schema/openapi.yml
@@ -27,6 +27,8 @@ paths:
     $ref: "./paths/forms/index.yml"
   /forms/{formId}:
     $ref: "./paths/forms/[formId]/index.yml"
+  /forms/questions:
+    $ref: "./paths/forms/questions/index.yml"
   /forms/answers:
     $ref: "./paths/forms/answers/index.yml"
   /forms/answers/comment:
diff --git a/schema/paths/forms/questions/index.yml b/schema/paths/forms/questions/index.yml
new file mode 100644
index 0000000..90410a6
--- /dev/null
+++ b/schema/paths/forms/questions/index.yml
@@ -0,0 +1,50 @@
+post:
+  operationId: createQuestion
+  summary: 質問の新規作成
+  description: |
+    質問を新しく作ります。
+  requestBody:
+    description: 作成する質問の内容
+    required: true
+    content:
+      application/json:
+        schema:
+          $ref: "../../../types/forms/definitions.yml#/definitions/questions"
+  responses:
+    "201":
+      description: 質問の作成に成功
+      content:
+        application/json:
+          schema:
+            $ref: "../../../types/forms/definitions.yml#/definitions/id"
+    "400":
+      $ref: "../../../errors/errorResponses.yml#/components/responses/syntaxError"
+    "401":
+      $ref: "../../../errors/errorResponses.yml#/components/responses/unauthorized"
+    "403":
+      $ref: "../../../errors/errorResponses.yml#/components/responses/forbidden"
+    "500":
+      $ref: "../../../errors/errorResponses.yml#/components/responses/internalServerError"
+
+delete:
+  operationId: deleteQuestion
+  summary: 質問を削除する
+  description: 作成済みの質問を削除する
+  requestBody:
+    description: 削除するフォーム質問ID
+    required: true
+    content:
+      application/json:
+        schema:
+          $ref: "../../../types/forms/definitions.yml#/definitions/question_id"
+  responses:
+    "200":
+      description: "質問の削除に成功"
+    "400":
+      $ref: "../../../errors/errorResponses.yml#/components/responses/syntaxError"
+    "401":
+      $ref: "../../../errors/errorResponses.yml#/components/responses/unauthorized"
+    "404":
+      $ref: "../../../errors/errorResponses.yml#/components/responses/notFound"
+    "500":
+      $ref: "../../../errors/errorResponses.yml#/components/responses/internalServerError"
diff --git a/schema/types/forms/components.yml b/schema/types/forms/components.yml
index 1f5c84d..fe6c926 100644
--- a/schema/types/forms/components.yml
+++ b/schema/types/forms/components.yml
@@ -98,7 +98,9 @@ components:
       type: object
       properties:
         question_id:
-          $ref: "#/components/schemas/question_id"
+          readOnly: true
+          allOf:
+            - $ref: "#/components/schemas/question_id"
         question_title:
           $ref: "#/components/schemas/question_title"
         question_description:
diff --git a/schema/types/forms/definitions.yml b/schema/types/forms/definitions.yml
index f205141..996c6a7 100644
--- a/schema/types/forms/definitions.yml
+++ b/schema/types/forms/definitions.yml
@@ -26,6 +26,18 @@ definitions:
     required:
       - id
       - title
+  questions:
+    description: 質問の配列
+    type: object
+    properties:
+      questions:
+        $ref: "./components.yml#/components/schemas/questions"
+  question_id:
+    description: 質問のID
+    type: object
+    properties:
+      question_id:
+        $ref: "./components.yml#/components/schemas/question_id"
   id:
     type: object
     properties: