Anti-lost toilet hanging system for smart city

The anti-lost toilet hanging system for the smart city comprises a door frame and a door body installed on the door frame, the door body is rotationally connected with the inner side of the door frame on one side, and a rotatable limiting handle is installed on the front side wall of the left side part of the door body; a sliding groove is formed in the front side of the door frame located on the left side, a hanging module is arranged in the sliding groove and comprises a sliding block connected into the sliding groove in a sliding mode, a hook is fixedly connected to the front side of the sliding block, a plurality of guide rods are fixedly connected between the upper inner wall and the lower inner wall of the sliding groove, and the guide rods penetrate through the sliding block. According to the hanging system, in the defecation process of a user, the backpack can be automatically moved upwards, the situation that the backpack influences the space after half squatting or squatting of the user is avoided,