Suction sewage truck is a new type of sanitation vehicle that collects, transfers, cleans and transports sludge and sewage, and avoids secondary pollution. The sewage suction truck can self-absorb and discharge, with fast working speed, large capacity and convenient transportation. It is suitable for collecting and transporting liquid substances such as feces, mud and crude oil. The sewage suction truck adopts the domestic technology-leading vacuum pump of the sewage suction truck, which has large suction power and long suction range. It is especially suitable for the suction, shipment and discharge of sludge in the sewer, especially for suction of sewer mud, silt, stones, and bricks. Large objects such as blocks.