Tire puncture prevention device and system based on electromagnetic control and automobile

The embodiment of the utility model provides a tire puncturing prevention device and system based on electromagnetic control and an automobile, and belongs to the technical field of automobile control. The device comprises a lifting assembly with a first end and a second end, the first end of the lifting assembly is fixed to the bottom of a vehicle, and the second end can ascend and descend vertically relative to the first end; and the magnetic assembly is used for generating magnetic force and is fixed at the second end of the lifting assembly. According to the technical scheme, the liftable magnetic assembly arranged at the bottom of the vehicle is used for sucking metal objects such as iron nails on the running path of the vehicle, so that the phenomenon that tires of the vehicle are punctured is avoided, the running safety of the vehicle is guaranteed, meanwhile, the magnetic assembly can descend when needing to be used, and the magnetic assembly is prevented from falling off. When not in use, the device