The present invention provides a water closet seat cleaning warm water device capable of completing the clean of the closet seat installing part and the disassembling from the closet seat installing part easily. The water closet seat cleaning warm water device has a base body part for holding cleaning mechanism and other functional parts, a fixing plate in the back part of the water closet for the base body part to be installed on, and a moving mechanism inserted between the base body part and the plate. The moving mechanism is utilized in fixing the base body part to and separating the base body part from the plate, moving the separated the base body part forwards along the plate, fixing the base body part in the front position to and separating it from the plate, inclining the separated base body part and maintaining the inclined state, and separating the base body part from the plate. |