Plastering device for building decoration

The plastering device for building decoration comprises a cart, the left side of the top of the cart is fixedly connected with a box body, the inner ends of two supporting plates are rotationally connected with a round roller through bearings, a rotating shaft on the right side of the round roller is fixedly connected with the output end of a first motor, and an adjusting assembly is arranged below the round roller. The plastering device is used for building decoration; the box body, the material conveying pump, the plastering plate, the hydraulic cylinder, the round roller, the first motor and the adjusting assembly are matched; when the wall plastering device is used for plastering a wall surface; the angle of the plastering plate is further adjusted; therefore, the device always abuts against the wall surface in parallel; the plastering effect is greatly improved; through cooperation of the box body, the material conveying pump, the plastering plate, the hydraulic cylinder, a roundroller, a first motor and