Plaster decocting device

The plaster decocting device comprises a U-shaped decocting pot, a medicinal material squeezing plate and a medicinal material grinding disc, the medicinal material squeezing plate is arranged at one end in the U-shaped decocting pot, the medicinal material squeezing plate is welded to one end of an air cylinder shaft and is driven by the air cylinder shaft to move, the medicinal material grinding disc is arranged at the other end in the U-shaped decocting pot, and medicinal materials are decocted through the medicinal material grinding disc. When the medicinal materials need to be further ground and smashed, a cylinder shaft drives a medicinal material extrusion plate to be close to a medicinal material grinding disc, the medicinal materials are extruded between the medicinal material extrusion plate and the medicinal material grinding disc, then a rotating handle of the medicinal material grinding disc is held by a hand and rotates, the medicinal material grinding disc rotates along with the rotating handle