High-temperature-resistant antibacterial plastic bottle cap

The utility model discloses a high temperature resistant antibacterial plastic bottle cap which comprises a bottle cap, the outer side of the bottle cap is fixedly connected with antiskid teeth, the inner side of the bottle cap is slidably provided with a ring body, the bottom end of the ring body is fixedly connected with a material bottom plate, and the bottom end of the material bottom plate is slidably connected with a sealing plate. A large bevel gear is fixedly installed on the edge of the bottom end of the sealing plate, a small bevel gear is connected to the right side of the bottom end of the large bevel gear in a meshed mode, a rotary knob is fixedly connected to the end of a middle shaft of the small bevel gear, and internal threads are arranged at the lower end of the inner wall of the bottle cap. The small bevel gear drives the large bevel gear to rotate by rotating the rotary knob, so that the sealing plate rotates, seasoning powder can fall into a bottle from the ring body for seasoning, and th