The present invention relates to a method for cleaning and disinfecting an excrement treatment device and an excrement treatment device using the method, and more specifically, cleaning and disinfecting an excrement treatment device that can be easily and periodically washed by a user. It relates to a method and an excrement treatment apparatus using the method. The method of cleaning and disinfecting the excrement treatment device is to position one end and the other end of the suction pipe on the same line, and to drive the pump to supply the cleaning water to the water level already set in the internal space through the first nozzle. It is characterized by including a step of sucking the washing water located in the internal space by driving the suction unit after maintaining the state in which the washing water is supplied to the already set water level for a predetermined time.本発明は、排泄物処理装置の洗浄及び消毒方法、並びにこれを利用する排泄物処理装置に係り、より詳しくは、使用者が容易く周期的に洗浄することができる排泄物処理装置の洗浄及び消毒方法、並びにこれを利用する排泄物処理装置に関する。排泄物処理装置の洗浄及び消毒方法は、吸入管の一端と他端を同一線上に位置させる段階と、ポンプを駆動して第１ノズル部を通して内部空間に既設定された水位まで洗浄水を供給する段階と、既設定された水位まで洗浄水が供給された状態を所定時間維持した後、吸入部を駆動して内部空間に位置した洗浄水を吸い込む段階を含むことを特徴とする。
