Public Security Bureau patrol police usually do what live?

Public Security Bureau of the patrol police, mainly driving a patrol car in the city's various major streets patrol, mainly to deal with some unexpected security incidents, generally do not have to manage the traffic. Then you look at, should not be very hard, beijing now have cars, and cars inside the air-conditioning, so that the winter warm summer cool, is not very tired. China's law and order is also good now, in fact, every day to deal with things are actually not much.