diff --git a/backend/controllers/eventController.js b/backend/controllers/eventController.js
index 930bd50..42a4234 100644
--- a/backend/controllers/eventController.js
+++ b/backend/controllers/eventController.js
@@ -159,7 +159,9 @@ exports.createEvent = async (req, res) => {
       location,
       maxParticipants,
       eventType,
+      participantFee,
       entryFee,
+      fee,
       gameCount,
       laneCount,
       status 
@@ -196,6 +198,14 @@ exports.createEvent = async (req, res) => {
     const publicHash = await generateRandomHash();
     const accessPassword = req.body.accessPassword || null;
 
+    // 금액 통합: 문자열("20000.00") 또는 숫자를 허용, 0은 유효값(무료), 빈값은 null 처리
+    let feeRaw = fee ?? entryFee ?? participantFee;
+    let feeParsed = null;
+    if (feeRaw !== undefined && feeRaw !== null && `${feeRaw}`.trim() !== '') {
+      const num = parseFloat(`${feeRaw}`);
+      feeParsed = Number.isFinite(num) ? num : null;
+    }
+
     const event = await Event.create({
       clubId,
       title,
@@ -204,11 +214,11 @@ exports.createEvent = async (req, res) => {
       endDate: endDateVal,
       location,
       maxParticipants: maxParticipants || 0,
-      eventType: eventType || '일반',
-      entryFee: entryFee || 0,
+      eventType: eventType || 'regular',
+      participantFee: feeParsed ?? 0,
       gameCount: gameCount || 3,
       laneCount: laneCount || 1,
-      status: status || '활성',
+      status: status || 'active',
       publicHash,
       accessPassword
     });
@@ -568,7 +578,9 @@ exports.updateEvent = async (req, res) => {
       location,
       maxParticipants,
       eventType,
+      participantFee,
       entryFee,
+      fee,
       gameCount,
       laneCount,
       status,
@@ -597,6 +609,14 @@ exports.updateEvent = async (req, res) => {
     if(endDate == 'Invalid Date') {
       endDate = null;
     }
+    // 금액 통합: 문자열("20000.00") 또는 숫자를 허용, 0은 유효값(무료)
+    let feeRaw = fee ?? entryFee ?? participantFee;
+    let feeParsed = null;
+    if (feeRaw !== undefined && feeRaw !== null && `${feeRaw}`.trim() !== '') {
+      const num = parseFloat(`${feeRaw}`);
+      feeParsed = Number.isFinite(num) ? num : null;
+    }
+
     const updateData = {
       title,
       description,
@@ -604,11 +624,11 @@ exports.updateEvent = async (req, res) => {
       endDate: endDate || null,
       location,
       maxParticipants: maxParticipants || event.maxParticipants,
-      eventType: eventType || event.eventType,
-      entryFee: entryFee !== undefined ? entryFee : event.entryFee,
+      eventType: eventType || event.eventType || 'regular',
+      participantFee: feeParsed !== null ? feeParsed : event.participantFee,
       gameCount: gameCount || event.gameCount,
       laneCount: laneCount || event.laneCount,
-      status: status || event.status,
+      status: status || event.status || 'active',
       registrationDeadline: registrationDeadline || event.registrationDeadline,
       publicHash: publicHash || event.publicHash,
       accessPassword: accessPassword || null
diff --git a/backend/models/Event.js b/backend/models/Event.js
index d856438..40c5494 100644
--- a/backend/models/Event.js
+++ b/backend/models/Event.js
@@ -67,7 +67,7 @@ const Event = sequelize.define('Event', {
   participantFee: {
     type: DataTypes.DECIMAL(10, 2),
     allowNull: false,
-    defaultValue: 0,
+    defaultValue: null,
     comment: '참가비'
   },
   maxParticipants: {