diff --git a/backend/services/mining-admin-service/prisma/migrations/20260302_add_notifications/migration.sql b/backend/services/mining-admin-service/prisma/migrations/20260302_add_notifications/migration.sql
new file mode 100644
index 00000000..b5318d5d
--- /dev/null
+++ b/backend/services/mining-admin-service/prisma/migrations/20260302_add_notifications/migration.sql
@@ -0,0 +1,63 @@
+-- CreateEnum
+CREATE TYPE "NotificationType" AS ENUM ('SYSTEM', 'ACTIVITY', 'REWARD', 'UPGRADE', 'ANNOUNCEMENT');
+
+-- CreateEnum
+CREATE TYPE "NotificationPriority" AS ENUM ('LOW', 'NORMAL', 'HIGH', 'URGENT');
+
+-- CreateEnum
+CREATE TYPE "TargetType" AS ENUM ('ALL', 'SPECIFIC');
+
+-- CreateTable
+CREATE TABLE "notifications" (
+    "id" TEXT NOT NULL,
+    "title" TEXT NOT NULL,
+    "content" TEXT NOT NULL,
+    "type" "NotificationType" NOT NULL DEFAULT 'SYSTEM',
+    "priority" "NotificationPriority" NOT NULL DEFAULT 'NORMAL',
+    "target_type" "TargetType" NOT NULL DEFAULT 'ALL',
+    "image_url" TEXT,
+    "link_url" TEXT,
+    "is_enabled" BOOLEAN NOT NULL DEFAULT true,
+    "requires_force_read" BOOLEAN NOT NULL DEFAULT false,
+    "published_at" TIMESTAMP(3),
+    "expires_at" TIMESTAMP(3),
+    "created_by" TEXT NOT NULL DEFAULT 'admin',
+    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updated_at" TIMESTAMP(3) NOT NULL,
+
+    CONSTRAINT "notifications_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "notification_reads" (
+    "id" TEXT NOT NULL,
+    "notification_id" TEXT NOT NULL,
+    "user_serial_num" TEXT NOT NULL,
+    "read_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+
+    CONSTRAINT "notification_reads_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "notification_user_targets" (
+    "id" TEXT NOT NULL,
+    "notification_id" TEXT NOT NULL,
+    "account_sequence" TEXT NOT NULL,
+
+    CONSTRAINT "notification_user_targets_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateIndex
+CREATE INDEX "notifications_is_enabled_published_at_idx" ON "notifications"("is_enabled", "published_at");
+
+-- CreateIndex
+CREATE INDEX "notifications_type_idx" ON "notifications"("type");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "notification_reads_notification_id_user_serial_num_key" ON "notification_reads"("notification_id", "user_serial_num");
+
+-- CreateIndex
+CREATE INDEX "notification_reads_user_serial_num_idx" ON "notification_reads"("user_serial_num");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "notification_user_targets_notification_id_account_sequence_key" ON "notification_user_targets"("notification_id", "account_sequence");