Welcome to Suzhou. 
Please read the following tips：

1. According to the Chinese laws and regulations, foreigners, residents from Taiwan, Hongkong and Macao China shall report to the local police station for accommodation registration within 24 hours of arrival.

2. For residents who reside or stay in domiciles other than hotels, you can either register accommodation with local police station or via mobile phone. If you register via mobile phone, please cooperate with police officers for information verification. In case you need accommodation registration immediately, please register with the local police station.

3. If you register via mobile phone, there are 2 ways as follows:

•    Download "蘇周到" APP, find "政務(wù)辦事" module and click "境外人員臨時(shí)住宿登記" for registration.
•    Scan the following "蘇州公安微警務(wù)" QR code, subscribe "蘇州公安微警務(wù)" account, and click "出入境服務(wù)" for registration.

Source: 蘇州外事港澳