The fecal suction tube can rotate 360 degrees, and the discharge can be pressurized discharge and self-flow discharge. The time for the suction truck to pump up the full sewage (feces) tank ≤5min, suction range: ≥7m. The vacuum suction truck is self-priming and self-discharging, with fast working speed, large capacity, and convenient transportation. It is suitable for collecting and transporting crude oil liquid substances, sewage mud, silt, stones and other substances with large volume and small water content.