An object of the present invention is to provide a treatment method and a sterilization method for used sanitary products that can surely sterilize spore bacteria as bacteria adhering to the used sanitary products. The processing method of used sanitary goods according to the present invention is such that the processing liquid contains a predetermined amount of calcium compound and free residual chlorine with respect to the amount of used sanitary goods 2 charged in a separation tank. It was composed of hypochlorous acid added so as to have a concentration or higher and a predetermined amount of hot water heated to a predetermined temperature with respect to the amount of used sanitary ware introduced into the separation tank 7 and decomposed. Hot air of a predetermined temperature is blown to pulp and plastic among the materials, and the decomposed materials are sterilized. [Selection] Figure 1【課題】本発明は、使用済み衛生用品に付着している細菌類として特に芽胞菌を確実に殺菌することができる使用済み衛生用品の処理方法及び殺菌方法を提供とする。【解決手段】本発明の使用済み衛生用品の処理方法は、処理液は、分離槽７内に投入された使用済み衛生用品２の量に対して所定量のカルシウム化合物と、遊離残留塩素が所定濃度以上となるように添加された次亜塩素酸と、分離槽７内に投入された使用済み衛生用品の量に対して所定の温度に加熱された所定量の熱湯水とからなり、分解した素材のうちのパルプとプラスチックに所定の温度の熱風を吹き付け、分解した素材を殺菌する。【選択図】 図１
