The mobile rear dump truck is a commonly used automobile bulk material unloading device. It is widely used in the loading and unloading of automobile bulk materials such as rice mills, feed mills, flour mills, warehouses, docks, etc. The products can be moved by means of forklifts and trailers. Achieve multi-point operation, with the advantages of simple operation, compact structure, smooth and stable, flexible use, short construction period, etc., and also minimize the cost of civil works.