Pedal type dental cleansing sterilizer

The utility model relates to a pedal type dental cleansing sterilizer, which comprises a shell. The shell is provided with an air outlet, an upper liner, a lower liner and a middle channel are arranged in the shell, wherein the upper end of the upper liner is connected with an air suction tube extending out of the shell, a filter communicated with the air suction tube is arranged in the upper liner, and a filtering cotton layer is laid at the inner bottom of the upper liner; a motor and a fan impeller are arranged in the lower liner, and the sidewall or the end face of the lower liner is provided with a ventilation port communicated with the air outlet on the shell; and the middle channel is communicated between the upper liner and the lower liner, and an air sterilization device is arranged in the middle channel. The utility model has the beneficial effects that: 1, droplets with bacteria can be absorbed, and the droplet infection can be avoided; 2, abrasive particles can be absorbed, and secondary pollution