This creation is a kind of related safty pin skull of what,It is mainly to be provided with needle holder between what syringe and syringe needle group,The needle holder system is in a hollow form,What needle holder lower edge convex is equipped with spiral shell and sets flange,The another what needle holder outer rim is then connected with linking part,Enable lid bottom end be equipped with movable bending part with the linking part of the needle holder outer rim is integrally formed is combined,What lid cooperates one of activity bending part side to set to the concave to be formed with accommodation groove,And the accommodation groove bottom end corresponds to needle holder to outside lid and offers insertion opening; Thereby,What needle injection use finishes Hou,Directly lid can be bent to the syringe needle direction,To facilitate and quickly be covered to the syringe needle,To prevent happening for needlestick injuries people,Ensure the safety of medical care or Biohazard Waste processing related personnel,And it is integrally implemented at it and more increases practical effect characteristic person using upper.本創作係有關於一種安全針頭蓋,其主要係於針筒與針頭組間設置有針頭座,該針頭座係呈一中空狀,於針頭座下緣向外凸設有螺設凸緣,另於該針頭座外緣則連接設有連結部,令蓋體底端設有活動彎折部與該針頭座外緣之連結部一體成形連結結合,於蓋體配合該活動彎折部之一側向內凹設形成有容置槽,且該容置槽底端向蓋體外對應針頭座開設有嵌入開口;藉此,於針頭注射使用完畢後,能直接將蓋體向該針頭方向彎折,以方便且快速的對該針頭進行遮蔽,以防止針頭刺傷人之情況發生,確保醫護或醫療廢棄物處理相關人員的安全性,而在其整體施行使用上更增實用功效特性者。