The barbed steel needle is a specially designed long needle made of thin and elastic stainless steel wire. Slender shape, similar to wheat awn, named awn needle. To use the awn needle, we should master the basic acupuncture skills and understand the deep anatomy of human acupoints. The methods of inserting and pulling needles are similar to those of ordinary acupuncture needles, but because the awn needles are longer, they will feel less pain when inserting needles. The barbed steel needle is mainly used for deep and horizontal needling along the skin to treat specific diseases. Wide application range, especially for deep needling diseases, nervous system diseases, gastrointestinal diseases and motor system diseases.