There are many precautions to take when using acupuncture needles. First of all, doctors must strictly adhere to the principle of aseptic operation to prevent infection.

The quality of acupuncture needles is related to the therapeutic effect and patient safety, and it has strict technical index requirements. Firstly, the hardness of the needle body should be ≥450HV0.2 to ensure it has sufficient hardness to complete the needling operation.

Modern acupuncture commonly uses disposable stainless steel needles to avoid the risk of cross-infection. Traditional disinfection methods such as burning (with fire needles) or alcohol wiping are still used in specific scenarios

Acupuncture needles originated from the Bian stones of the Neolithic Age and developed into nine bronze needles during the Shang and Zhou Dynasties.

The material of acupuncture needles has undergone an evolution from bian stone, bronze to modern stainless steel. In the early days,