Syringe needle is used to insulin injection pen

The utility model provides a syringe needle is used to insulin injection pen, including the spliced pole of needle file, syringe needle body and connection needle file and syringe needle body, still include a plurality of springs and a cylindrical annular disinfection circle, the last fixed surface of spring one end and needle file is connected, the bottom surface fixed connection of the other endand annular disinfection circle, the inner ring of annular disinfection circle is arranged in to the upper end of syringe needle body, the annular disinfection in the inner ring outside circles has seted up the aseptic cotton standing groove, be equipped with the aseptic cotton in the aseptic cotton standing groove, the annular disinfection circles and is equipped with the visor. The utility model discloses be equipped with annular disinfection circle on the syringe needle body, can provide the aseptic cotton on the one hand, messenger's injection easy operation, convenience, on the other hand can protect the syringe