A kind of disposable self-destructed and sheath-encased sterile acupuncture needle is designed to efficiently solve the issues of safety and sterilization encountered in the routine operation of acupuncture. The needle consists of three components

i.e. the needle body

the sheath and the locker. The needle body is movable and rotatable in the sheath

but can not be separated from the sheath. It is convenient for the operator to perform the lifting-thrusting and twisting techniques

and to prevent the non-punctured portion of the body from being out off the sheath so that a sterile confined room is formed between the needle and the skin of the operated area. With a locker installed between the sheath and the needle handle

after needle removal

the needle body can be returned and locked in the sheath

avoiding the exposure of needle tip

obtaining the self-destruction of needle and preventing from needling accident and reuse of needle. The devise is operated easily

which is effectively reduce the risk of infection and ensure the safety of medical staffs in practice.