Needle knife therapy is based on the ancient Chinese nine needles, combined with the development of modern medical surgery. The history of acupuncture has been decades, and in recent years there has been further development. Under the inspiration of the founder of small acupuncture, medicine acupuncture, water acupuncture, etc. have emerged, gradually forming a new acupuncture medical theory system that comes from Chinese and Western medicine but is different from Chinese and Western medicine. Small needle knife therapy is between the surgical and non-surgical treatment of closed loosening, based on the incisional surgical method, combined with acupuncture therapy and formed. The operation of small needle knife therapy is characterized by stabbing into the local tissue lesion at the treatment site, carrying out easy loosening and peeling to achieve the purpose of eliminating disease and relieving pain, and the indications are mainly soft tissue injury diseases and bone and joint diseases. The advantages are that the treatment process is simple and not restricted by environmental conditions, and the treatment incision is small and does not require sutures, which causes very little trauma to human tissues and is not easily infected.