Hook arm garbage truck, also known as carriage detachable garbage truck or pull arm garbage truck. It is mainly suitable for collecting and transporting various types of household waste in municipal sanitation, park property management, large factory areas, industrial and mining areas, and other places. The hook arm garbage truck adopts a fully hydraulic control operating system, and the garbage bin and the pull arm truck can be completely separated. It has the advantages of reasonable structure, easy operation, stability, high efficiency, good sealing performance, and convenient dumping. It can achieve joint operation of one truck and multiple garbage bins, cyclic transportation, and fully improve the transportation capacity of the vehicle. The hook arm garbage truck adopts high-tech design with stretchable hook arms. The pull arm garbage truck can be equipped with several garbage transfer boxes or mobile compression garbage stations (generally 3 square, 6 square, 8 square, 10 square, 18 square, 22 square, etc.) according to user requirements, greatly improving the efficiency of vehicle use. The hook arm garbage truck is easy to load and unload, achieving secondary lifting of the carriage and making the mechanism more labor-saving. It has the advantages of simple structure, high efficiency loading and unloading, stable and convenient operation, and saves manpower.