Do I need an ID card to check out?

No need. When you check out, you don't need the ID card you used when you opened the room, just the room card and the deposit slip. The front desk told the waiter in the housing management department to cancel the reservation, make rounds, check the missing parts and report to the front desk. No items have been lost and the checkout has been completed. According to Article 56 of the Law of People's Republic of China (PRC) on Public Security Administration Punishment, hotel staff who fail to register the names, types and numbers of the staying passengers, or who knowingly bring dangerous goods into the hotel without stopping them, shall be fined between 200 yuan and 500 yuan. Therefore, you only need to show your ID card when you check in at the hotel.