An intelligent vehicle locating service system based on a wechat public platform comprises a man-machine interaction interface and a background server. The intelligent vehicle locating service system based on the wechat public platform is characterized in that the man-machine interaction interface is a wechat user terminal and is used for conducting location information input and vehicle locating path data return, and the background server comprises a parking lot map database, a location information conversion module, a location coding database, a positioning and navigation engine and an information generation guiding module. The wechat user terminal is used as the man-machine interaction interface, a location coding mode is used as interaction content, a user can obtain parking lot map data, location information and vehicle locating guide information from the background server, so that the user obtains vehicle locating help in the mode of being convenient, fast and low in cost, and vehicle locating time is shortened. Cross-platform support is achieved, downloading is of no need, a generally-used downloading step is omitted, using is convenient and fast, the purpose of being used immediately after being mounted is achieved, and thus the owner user can be helped to find out the objective location quickly.