To eliminate the mental burden on an attendant to touch a private part of a person to be nursed when the attendant wipes a filth, non-sanitary possibility of directly touching the filth, and the disagreeable feeling caused by the odor.

A filth is sucked together with filthy water and air from a suction cup having a cleaning water supply port 1, and the filth and filthy water are collected into an air-liquid separation tank 8 through a conduit part 3, an operation part 6 having a suction force regulating valve 4 and a cleaning water valve 5, and a flexible pipe 7. A filth cleaning and sucking device can be connected for use to a domestic vacuum cleaner or an external suction power source as a power source.