Milk powder can with cover body having automatic opening and closing function

The invention discloses a milk powder can with an automatic opening and closing function of a cover body, which comprises an upper barrel body, a lower barrel body is detachably connected to the bottom of the upper barrel body, an inner barrel body is erected between the upper barrel body and the lower barrel body, a mounting barrel body is fixedly connected to the bottom of the lower barrel body, and a shielding barrel is fixedly connected to the outer surface of the mounting barrel body. And a mounting shaft is rotationally connected to the inner bottom of the shielding cylinder. Through mutual cooperation of the upper cylinder body, the lower cylinder body, the mounting cylinder body, the shielding cylinder, the mounting shaft, a sealing cover, a driving motor, a driving shaft and a threaded pipe, the driving motor drives the mounting shaft to rotate so that the sealing cover can be automatically opened, meanwhile, the driving shaft can drive a threaded rod to rotate, and the threaded pipe drives a placing