How can I return the hotel I booked in China Travel Agency?

Check the order and see if you can get a refund. If you can get a refund, you can apply for a refund in the order interface or call the customer service hotline.

First of all, it depends on whether the hotel you booked can be cancelled. Check the order, there are hints on it. If you can cancel it, you can operate it online yourself. There is usually a time limit, such as when it can be cancelled. If your order cannot be cancelled, there may be some charges.