Space-saving and automatic-cleaning express storage cabinet

The invention relates to the technical field of internet commodity sales, and discloses a space-saving and automatic-cleaning express storage cabinet. The space-saving and automatic-cleaning express storage cabinet comprises a shell, wherein an upper door and a lower door are movably connected to the left side of the shell; a clamping block is slidably connected to the top of the lower door; a gear is meshed with the inner wall of the shell; a top plate is fixedly connected to the front face of the gear; a compression spring is fixedly connected to the top of the top plate; a rotating wheel isfixedly connected to the interior of the gear; a cleaning fan is fixedly connected to the top of the top plate; and a reset spring is fixedly connected to the top of the gear. According to the space-saving and automatic-cleaning express storage cabinet, the gear ascends under the effect of the reset spring by driving the fan to rotate reversely, the gear rotates under the effect of a tooth groove, the gear drives a stopp