The dust suppression vehicle is a special vehicle that can suppress dust pollution by spraying spraying liquid such as dust suppression curing agent. It mainly serves railways, roads and other places with high incidence of dust. In terms of structure, the dust suppression owner is composed of a swinging arm spray device, a liquid storage tank, a self-carrying vehicle and a control system. In the northern region of winter, the tank, spray nozzle and pump body of the dust suppression vehicle need to be equipped with thermal insulation heating system to operate normally.