The invention relates to a cleaning device, particularly to an automatic cleaning device for a gauze mask which is aimed at solving the technical problem. The automatic gauze mask cleaning device which is capable of achieving automatic cleaning, short in cleaning time and good in cleaning effect, and can achieve sterilization and disinfection. The automatic gauze mask cleaning device provided by the invention comprises a bracket I, a cleaning jar, a horizontal motor, a right bearing seat, a left bearing seat, a screw, a nut, a vertical motor, a cleaning cylinder, a clamping device, a swinging cylinder, a slide rail, a rack, a sliding block, a bracket II, a sector gear, a nozzle, a clean water pipe, a valve I, a disinfectant pipe, a valve II, a draining pipe, a bottom valve and a heating wire, wherein the swinging cylinder, the slide rail and the bracket II are mounted at the left end of the bracket I; and the sliding block matched with the slide rail is arranged on the slide rail. According to the automatic gauze mask cleaning device, the automatic cleaning can be achieved, the cleaning time is short, the cleaning effect is good, and the sterilization and disinfection effects can be realized.