This chapter provides a comprehensive introduction to sewage suction trucks, vital equipment for urban sanitation and waste management. Firstly, it offers an overview including definitions, applications, and the latest development trends both domestically and internationally. Secondly, the chapter categorizes sewage suction trucks based on vehicle type, tank volume, and suction depth and distance. The working principles, structural components, technical parameters, and selection principles are explained in detail, enabling users to make informed choices for various operational needs. Safety operating procedures are thoroughly discussed, encompassing precautions, standard operating methods, and daily maintenance guidelines. Finally, the chapter summarizes common faults and troubleshooting methods, offering practical solutions to frequent issues.