With the popularity of mobile applications, and the features of police work, the traditional model of law enforcement is already unable to meet the practical needs. The system uses advanced and widely used mobile technology, android operating system, analyzing and achieving the system for traffic law enforcement according to the police's demand.With the realization of the system, the traffic police can make full use of existing information resources anytime, anywhere, providing technical support for improving work efficiency, increasing the efficiency in the course of law enforcement inspection, raising the of process in suspicion of illegal vehicles on the scene of the inspection, grasping the latest law enforcement inspection, so as to strengthen the supervision of law enforcement road checks.