Dust suppression vehicle is a special vehicle that can suppress dust pollution by spraying spraying liquid such as dust suppression curing agent. Mainly serving railways, roads and other places with high dust incidence. Structurally, the dust suppression device is mainly composed of swing arm spraying device, liquid storage tank, self-carrying vehicle and control system. In winter, the tank, spray nozzle and pump body of dust suppression vehicle need to be equipped with insulation and heating system to operate normally.