Plastering machine

The invention relates to a plastering machine which comprises a rack and a plastering box. The plastering box is connected with a lifting device which is connected with a transmission device, the lifting device comprises a lifting plate, a sliding rod is arranged at each of two ends of the lifting plate, a guide sleeve fixedly connected with the rack is arranged on each sliding rod, a chain wheel is arranged at the upper end of each sliding rod, and a chain is arranged on each chain wheel. The plastering box is lifted multiply through the chains and the chain wheels positioned on two sides, so that the plastering box is stable in stress, and plastering quality is improved; when in use, the plastering machine can be positioned through a positioning rod and is fixed through a fixing device after being positioned well for plastering, and the plastering machine is stable in the process of plastering, so that plastering quality is improved; an upper rack and a lower rack are hinged, so that during carrying, the up