The people call 122 for free, and a 24-hour duty system is implemented at the same time. This is the fourth national call for help after 1 10,19 and 120. 122 alarm service desk is a department set up by China's public security traffic management organs, which accepts calls from the masses for traffic accidents, directs and dispatches police to handle all kinds of alarms and help, and at the same time accepts reports, complaints and inquiries from the masses on traffic management and traffic police law enforcement issues. This department is the main part of the command center of public security traffic management organs. Implement 24-hour duty. People can connect to the hotline 122 for free by dialing "122".

Significance of opening: receiving 122 alarm is an important channel for public security traffic management organs to implement mass line work guidance, strictly control traffic dynamics and obtain traffic information quickly; It is the main means for public security traffic management organs to organize rapid response and deal with various traffic problems quickly; Provide an important window for the masses to solve problems and save the crisis.