The present invention relates to an infusion injection needle unit having a stick injury and infection preventing function. More specifically, the infusion injection needle unit comprises: a needle film inserted in the blood vessel of a patient a needle hub including an insertion hole which is an internal space penetrating through the top end to the bottom end thereof, a top end inner flange formed on the top end inner circumferential surface thereof, and a middle end flange disposed in one side of the middle end thereof a needle unit fixed to the insertion hole of the needle hub by a needle unit locking member before the injection of the needle film, and detached after the injection of the needle film a needle protruding and fixed on the top end of the needle unit, and inserted in an injection hole of the needle film on the outer surface before the injection of the needle film a cover having an internal space opened at the bottom end thereof, and having an end fixed to the needle hub before the injection of the needle film and a shield member disposed at the bottom end of the needle hub, and inserting the needle unit and the needle therein after the injection of the needle film. The shield member comprises: a first shield member assembled with the bottom end of the needle hub, and having an internal space having a rectangular cross-sectional shape and a second shield member assembled with the bottom end of the first shield member, and having a rectangular cross-section tilted at a predetermined angle on the basis of the central axis of the rectangular cross-section of the first shield member. The needle unit is stored after being inserted in the second shield member.COPYRIGHT KIPO 2017본 발명은 스틱인저리와 감염 방지기능을 갖는 수액 주사니들 유닛에 대한 것이다. 보다 상세하게는 수액주사니들 유닛에 있어서, 환자의 혈관에 인입되는 니들필름 상단에서 하단을 관통하는 내부공간인 삽입홀, 및 상단 내주면에 형성된 상단내측플랜지, 및 중단 일측에 구비된 중단플랜지를 구비한 니들허브 상기 니들필름의 주사 전 상기 니들허브의 삽입홀에 니들유닛 락킹부재에 의해 고정되고 상기 니들필름의 주사 후 탈착되는 니들유닛 상기 니들유닛의 상단에 돌출되어 고정되며, 상기 니들필름의 주사 전 외면에 상기 니들필름
