diff --git a/backend/app/Platform/Shopee/Constants/ItemStatus.php b/backend/app/Platform/Shopee/Constants/ItemStatus.php
new file mode 100644
index 0000000..e9ca223
--- /dev/null
+++ b/backend/app/Platform/Shopee/Constants/ItemStatus.php
@@ -0,0 +1,33 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Platform\Shopee\Constants;
+
+use Hyperf\Constants\Annotation\Constants;
+use Hyperf\Constants\Annotation\Message;
+use Hyperf\Constants\EnumConstantsTrait;
+
+#[Constants]
+enum ItemStatus: string
+{
+    use EnumConstantsTrait;
+
+    #[Message("Normal")]
+    case NORMAL = 'NORMAL';
+
+    #[Message("Banned")]
+    case BANNED = 'BANNED';
+
+    #[Message("Unlisted")]
+    case UNLIST = 'UNLIST';
+
+    #[Message("Reviewing")]
+    case REVIEWING = 'REVIEWING';
+
+    #[Message("Seller deleted")]
+    case SELLER_DELETE = 'SELLER_DELETE';
+
+    #[Message("Shopee deleted")]
+    case SHOPEE_DELETE = 'SHOPEE_DELETE';
+}
diff --git a/backend/app/Platform/Shopee/Constants/OrderStatus.php b/backend/app/Platform/Shopee/Constants/OrderStatus.php
new file mode 100644
index 0000000..5c8fd28
--- /dev/null
+++ b/backend/app/Platform/Shopee/Constants/OrderStatus.php
@@ -0,0 +1,45 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Platform\Shopee\Constants;
+
+use Hyperf\Constants\Annotation\Constants;
+use Hyperf\Constants\Annotation\Message;
+use Hyperf\Constants\EnumConstantsTrait;
+
+#[Constants]
+enum OrderStatus: string
+{
+    use EnumConstantsTrait;
+
+    #[Message("Order is created, buyer has not paid yet.")]
+    case UNPAID = 'UNPAID';
+
+    #[Message("Seller can arrange shipment.")]
+    case READY_TO_SHIP = 'READY_TO_SHIP';
+
+    #[Message("Seller has arranged shipment online and got tracking number from 3PL.")]
+    case PROCESSED = 'PROCESSED';
+
+    #[Message("3PL pickup parcel fail. Need to re arrange shipment.")]
+    case RETRY_SHIP = 'RETRY_SHIP';
+
+    #[Message("The parcel has been drop to 3PL or picked up by 3PL.")]
+    case SHIPPED = 'SHIPPED';
+
+    #[Message("The order has been received by buyer.")]
+    case TO_CONFIRM_RECEIVE = 'TO_CONFIRM_RECEIVE';
+
+    #[Message("The order's cancelation is under processing.")]
+    case IN_CANCEL = 'IN_CANCEL';
+
+    #[Message("The order has been canceled.")]
+    case CANCELLED = 'CANCELLED';
+
+    #[Message("The buyer requested to return the order and order's return is processing.")]
+    case TO_RETURN = 'TO_RETURN';
+
+    #[Message("The order has been completed.")]
+    case COMPLETED = 'COMPLETED';
+}
diff --git a/backend/app/Platform/Shopee/Constants/ReturnStatus.php b/backend/app/Platform/Shopee/Constants/ReturnStatus.php
new file mode 100644
index 0000000..642d10e
--- /dev/null
+++ b/backend/app/Platform/Shopee/Constants/ReturnStatus.php
@@ -0,0 +1,36 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Platform\Shopee\Constants;
+
+use Hyperf\Constants\Annotation\Constants;
+use Hyperf\Constants\Annotation\Message;
+use Hyperf\Constants\EnumConstantsTrait;
+
+#[Constants]
+enum ReturnStatus: string
+{
+    use EnumConstantsTrait;
+
+    #[Message("Return requested")]
+    case REQUESTED = 'REQUESTED';
+
+    #[Message("Return accepted")]
+    case ACCEPTED = 'ACCEPTED';
+
+    #[Message("Return cancelled")]
+    case CANCELLED = 'CANCELLED';
+
+    #[Message("Return judging")]
+    case JUDGING = 'JUDGING';
+
+    #[Message("Return closed")]
+    case CLOSED = 'CLOSED';
+
+    #[Message("Return processing")]
+    case PROCESSING = 'PROCESSING';
+
+    #[Message("Seller dispute")]
+    case SELLER_DISPUTE = 'SELLER_DISPUTE';
+}