Allergen skin pricking device

The invention relates to the technical field of allergen detection, and discloses an allergen skin pricking device which comprises a supporting plate, and supporting frames are symmetrically arranged at the bottom of the supporting plate; a pneumatic assembly is installed on the top of the supporting plate and comprises an air storage tank, an air inlet pipe and an air outlet pipe. The control valve is mounted at the top of the supporting plate, and a top port of the control valve is connected with a gas outlet port of the gas storage tank; the pneumatic channel is arranged in the supporting plate, and the air inlet end of the pneumatic channel is connected with the air outlet end of the control valve; a liquid storage area and a slidable pricking needle are arranged in the pricking assembly, when pricking operation is carried out, high-pressure gas can be sprayed out through the pneumatic assembly, the high-pressure gas drives the pricking needle and a test solution in the liquid storage area to be ejected o