The utility model provides a gas-solid two-phase solid particle sampling gun, which comprises a sampling tube, a sampling hole and a plurality of pressure measuring points, wherein the sampling hole is arranged at the lower end of the head portion of the sampling tube, and the pressure measuring points arranged on the sampling tube are led out of the same via pressure transfer tubes. The gas-solid two-phase solid particle sampling gun can sample gas-solid two-phase solid particles with simple and convenient operations.