The invention discloses a sheet material printing machine. The sheet material printing machine comprises a silk-screen printing device, a feeding mechanical arm, an automatic dust removal device and acontrol unit, wherein the feeding mechanical arm is arranged on one side of the silk-screen printing device, and the feeding mechanical arm comprises a first supporting arm and a first grabbing partconnected to the first supporting arm in a sliding mode; the automatic dust removal device is arranged on the first grabbing part and is located on the side close to a printing table; the control unitis used for controlling the screen printing device, the feeding mechanical arm and the automatic dust removal device. According to the sheet material printing machine, the dust removal device and thefeeding mechanical arm are integrally arranged, the structure of the sheet material printing machine can be simplified, the size of the sheet material printing machine is reduced, and the occupied space in the working process can be reduced; the printing process can be simplified, so that the working efficiency of the sheet material printing machine is greatly improved, and then the production efficiency of sheet materials is greatly improved.