Safe syringe needle preventing cross infection

The invention relates to a safe syringe needle preventing cross infection. The safe syringe needle comprises a syringe, a needle body and a needle stand, wherein the needle stand is fixedly arranged on the syringe, the needle body is fixedly arranged on the needle stand, the needle stand is connected with a joint, the joint is provided with a sleeve handle, the outer side of the sleeve handle is provided with separation handles, the sleeve handle is provided with a needle sleeve, the syringe and the needle sleeve are provided with a connecting seat, the syringe is connected with the connecting seat on the needle sleeve through a telescoping rope, a plurality of connecting pieces are arranged at intervals between the needle stand and the joint, and the needle stand and the joint are connected to form one body through the connecting pieces. The safe syringe needle provided by the invention has the following advantages: the structure is reasonable and simple, the safety syringe needle cannot be used for a second time, and cross infection is prevented; and in a later processing process, a needle head is protected, people are not easily scratched, the health of the people is facilitated, and the application is safe.