The invention discloses a dumper through which cargos are carried conveniently. The dumper comprises a dumper plate, front landing legs and rear landing legs. A handrail is arranged on the rear side of the dumper plate. The pair of front landing legs is arranged on the front side of the bottom of the dumper plate. Each front landing leg comprises an upper leg plate, a lower leg plate and a front dumper wheel, wherein the upper leg plate is fixed to the bottom of the dumper plate; auxiliary dumper wheels are mounted on the lower portion of the upper leg plate through an axle; the lower leg plate is hinged to the upper leg plate through the axle, and the front dumper wheel is mounted on the lower portion of the lower leg plate; a locking assembly is arranged between the upper portion of the lower leg plate and the upper leg plate; and the upper leg plate and the lower leg plate are relatively fixed through the locking assembly. The pair of rear landing legs is arranged on the rear side of the bottom of the dumper plate. Each rear landing leg mainly comprises a nut, a lead screw, a rear leg plate and a rear dumper wheel, wherein the nut is fixed to the bottom of the dumper plate, and the lead screw is mounted on the nut in a matched mode; the lower portion of the lead screw is rotatably mounted on the rear leg plate; the rear dumper wheel is arranged on the lower portion of the rear leg plate; and a handle is fixed to the outer wall of the lead screw. The dumper is easy to operate and can unload cargos conveniently.