The utility model relates to an automatic mop cleaning machine. The automatic mop cleaning machine is characterized by consisting of a water storage tank and a water splashing plate, wherein the water storage tank is of a structure with a hollow interior and an upper opening, the water splashing plate is positioned at the upper part of the water storage tank, and is movably connected with a side plate of the water storage tank, a sewage drain pipe and a power source plug are arranged at the lower part of the plate surface of the back side of the water storage tank, an upper row of rollers and a lower row of rollers are arranged in the water storage tank, the single row of rollers is connected by a conveying belt, each roller is filled with concentrated soapy water, a plurality of convex parts are arranged on each conveying belt, and a small hole is formed in each convex part. When the convex parts on each conveying belt are moved to the rollers, the soapy water can be sprayed out via the small holes. The automatic mop cleaning machine has the beneficial effects that when the automatic mop cleaning machine is used, a power source is engaged, and the mop can be automatically cleaned and wrung, so the manual cleaning of a cleaner is avoided, the time is saved, and the injury to both hands by detergent is avoided; universal wheels and a pull handle are arranged on the water storage tank, so the cleaner can conveniently move the automatic mop cleaning machine to any required place.