Needling prevention device and blood taking needle made by same

A needling prevention device comprises a needle seat, a needle pipe, a needle sleeve, a slider and a protection sleeve. A body of the needle seat is hollow columnar, the needle sleeve sleeves the outside of the front end of the needle seat, the inside of the front end of the needle seat is fixed with the needle pipe, an inner connector is arranged at inner rear end of the needle seat, the protection sleeve sleeves the outside of the slider and is fixed with the needle seat, the slider sleeves the outside of the needle seat and the inside of the protection sleeve and can slide along the needle seat, an elastic strip is arranged on the side surface of the protection sleeve, and the rear end of the elastic strip is fixed on a protection sleeve body. The invention further discloses a blood taking needle made by the needling prevention device. Compared with the prior art, the needling prevention device has the advantages that a clamping groove is designed into a rectangular groove, the groove walls of the front en