In China, the Public Security Bureau (police) is responsible for public safety and order.
If you lose something of value, please notify immediately you hotel, your tour group leader or the police. If your credit cards or traveler's cheque has been lost or stolen, call the issuer as soon as possible. If you find yourself in a serious situation, you might also contact your embassy or consulate.
If you lost your passport, you should report the matter as soon as possible to the nearest Public Security Bureau(Police) and to your embassy or consulate in China. In order to get a new visa from the Chinese authorities, a police report about the loss/theft is needed.
For any other emergency, you should contact your hotel staff for assisstance or dial 110 for the police, 119 in case of fire or 120 for an ambulance.
How to use 110
After puting through 110, you will firstly hear such a prompt in both Chinese and English:"hello, here is 110 alarm service", then an operator will hear your case. Please answer the questions according to the requirements of the operator, such as your name, location, and contact ways as well as the basic information of the case alarmed.
Generally, you should remain at the location where you give the alarm to wait for policemen and contact with them as soon as they arrive. Please keep the site untouched so that the policemen can acquire evidences. If you put through 110 by mistake, please hang up immediately.