Port infusion needle with positioning function

The utility model relates to an infusion port needle with a positioning function in the technical field of medical auxiliary tools. The infusion port needle comprises a positioning disc, elastic positioning strips and a needle head, the needle head is in a right-angle bent shape, a vertical needle body of the needle head perpendicularly penetrates through the center of the disc face of the positioning disc, and a horizontal needle body of the needle head is correspondingly attached to the top of the disc face of the positioning disc. Three elastic positioning strips are evenly distributed on the edge of the bottom of the positioning disc at intervals in a ring mode, an included angle of 10-15 degrees is formed between the axis of each elastic positioning strip in the length direction and the axis of the vertical needle body of the needle head, the length of each elastic positioning strip is larger than that of the vertical needle body of the needle head, and a medical silica gel layer is arranged on the side,