Chip reaction strip

The utility model relates to a chip reaction strip comprising a base, a gasket, a membrane and an upper cover, wherein the base comprises a base body and clamping joints; the base body is provided with 2-16 base holes, which are through up and down, from left to right; gasket holes are formed in the gasket, the lower surface of the gasket is bonded and fixed onto the base body of the base, and the lower surface of the membrane is bonded and fixed onto the upper surface of the gasket; the upper cover comprises an upper cover body, a clamping part and a cutting blade; the upper cover body is provided with a row of upper cover holes, which are through up and down, from left to right; the upper cover is fixed on the base from the upside; the cutting blade of the upper cover penetrates through the membrane and is inserted into the gasket so as to cut the membrane into protein microarray regions which are not interconnected; and the protein microarray regions correspond to all base holes and all upper cover holes i