Also known as the garbage truck with detachable carriage. It is mainly suitable for collecting and carrying all kinds of garbage in municipal sanitation, property management, large factories, industrial mines and other places. Hook-arm garbage truck adopts full hydraulic control operating system, and the garbage bins and chassis can be completely separated, which has the advantages of reasonable structure, simple and stable operation, high efficiency, good sealing performance, convenient dumping and so on. It can realize the joint operation of one truck and multiple garbage bins, circulate transportation, and fully improve the transportation capacity of the vehicle.