The cleaning and sewage suction vehicle integrates the functions of flushing, dredging, suction, and reverse discharge. It is used for the suction loading, and discharge of various liquid, semi-liquid, as well as various sludge, feces, wastewater, mixed with suspended debris such as mud, small bricks, broken stones at the bottom of ditches, etc. It can also be used for emergency treatment of sudden environmental pollution accidents. This will greatly improve the work efficiency of the cleaning andage suction vehicle and enhance the work capacity. Breaking through the advanced technology adopted by domestic and foreign enterprises in the past, this product has fully utilized vacuum technology after digestion and absorption and the double anti-overflow pump device can better avoid overflowing the tank and extend the service life of the vacuum pump.