Medicinal powder screening and processing device

The utility model relates to the technical field of medicine powder screening, and discloses a medicine powder screening processing device which solves the problems that materials to be screened are accumulated during feeding, meanwhile, a screening net is not scraped in the screening process, large particles block the screening net, and then the screening efficiency of the screening net on the materials is affected. The device comprises a bottom plate, a collecting box is arranged above the bottom plate, a discharging pipe is arranged in the middle of the bottom end of the collecting box, the bottom end of the collecting box is connected with the bottom plate through a shaking mechanism, the top end of the collecting box is in threaded connection with a sealing cover, a feeding port is formed in the middle of the top end of the sealing cover, and a screening box is arranged in the collecting box; a placing plate is arranged at the top end of the outer wall of the screening box; the design is matched with the