Double-disc multifunctional venipuncture needle

The utility model provides a double-butterfly multifunctional vein puncturing needle which is composed of a puncturing needle base, a butterfly retaining plate and a needle bat, wherein the needle bat is arranged on the right back portion of the puncturing needle base, a germ-free silica gel is arranged inside the needle bat, an auxiliary tip is arranged on the lateral surface of the needle base, a needle base lumen space of the auxiliary tip adjacent to the germ-free silica gel is a groove for storing bloods, the auxiliary tip is connected with a perfusion tube with a common needle base and a slab-shaped shutoff valve, an interface cover is arranged on the common needle base, and the butterfly retaining plate is arranged on the front portion of the puncturing needle base. Compared with the prior art, the double-butterfly multifunctional vein puncturing needle of the utility model has the advantages of reasonable design, simple structure, easy processing, small volume, convenient application and multipurpose of one object and the like, thereby having good extension and application values.