Car tail plate is a kind of on-board hydraulic lifting and loading equipment installed on the rear or side of the car. According to the working principle of the tailgate of a car, the car battery itself is an environmentally friendly and energy-saving product integrating machine, electricity, and liquid. In the process of cargo loading and unloading, it is stable, safe, fast, and labor-saving, and is not restricted by gardens, equipment, and manpower. Only by using a manual forklift to assemble, the goods can be loaded and unloaded by one person at any time.