In accordance with Rules for the Implementation of the Chinese Law on Control of the Entry and Exit of Foreigners , international students must register at the local police station within 24 hours after their arrival. If you stay in a hotel or live in on-campus international student dormitories,you need not register since the hotel/accommodation office will help you register.
Failing to register at the local police station will be warned or fined up to 2000RMB.