Recently, the problems of parking and finding the car become serious. In order to solve the problems, this paper designe an “"intelligent parking system based on UWB position and navigation technology”" which can effectively solve the problems mentioned above. The whole system consists of three modules: indoor positioning module composed of UWB intelligent positioning bracelet (tag) and positioning base station; Parking and shopping mall data management module; The app module of the user's mobile phone. The whole system expands the functions of each module, making it have eight unique functions: Allocating parking spaces when enter; Accurate indoor positioning; Intelligent navigation; Reverse car search; Data communication; Real-time monitoring and hurdle alarm; Intelligent promotion and online push; Optimize parking lots configuration and reduce costs. It is of great importance to commercial application and popularization value.