The invention provides a smart parking lot based on a parking AGV. The smart parking lot comprises a main building, a computer module, a gate vehicle-blocking module, an AGVS and supporting module, ahuman-computer interaction module, a positioning AP module, an exit and entrance lifting module, a charging module, a vehicle washing module, a maintenance module, an emergency firefighting module, and a green energy source module; the smart parking lot is provided with five layers, and parking areas, AGV charging areas, AGV maintenance areas, monitoring areas, vehicle washing areas, emergency exits, intelligent firefighting areas are arranged in the layers; and lifting vertical ladders are arranged on the two sides of the smart parking lot, the top layer is covered with solar power generationfacilities, and emergency auxiliary ramps are arranged between all layers. The smart parking lot adopts a BIM technology in the design, construction and operation and maintenance stages to form a BIMdatabase.