Parking lot path navigation system under network loading micro map

The invention relates to a parking lot path navigation system under a network loading micro map. The system comprises a parking place lock at a parking place, the parking place lock is composed of a driving device, a base and an elevating platform, the left end and the right end of the upper surface of the base are each provided with a groove, the two ends of the elevating platform are respectively rotationally arranged in the grooves through rotating shafts, and the driving device is connected with the elevating platform; the base is provided with an induction device, and the elevating platform is provided with a touch sensor; and the system further comprises a controller, a server electrically connected with the controller and a client in wireless connection with the server, and the induction device, the touch sensor and the driving device are respectively in electrical connection with the controller; and the server stores information of the micro map drafted according to internal building information of a parking plot. Arrangement of the induction device, the touch sensor and the driving device on the parking place lock, the controller, the server and the client helps a car owner to rapidly query parking status so that the parking efficiency is greatly improved.