Small acupuncture therapy is a kind of closed loosening technique formed on the basis of incisional surgical method combined with acupuncture method, between surgical method and non-surgical therapy, founded by Zhu Hanzhang in 1976, as a new development of acupuncture therapy. Small needle knife therapy operation is characterized by stabbing deep into the treatment site to the lesion to easily cut, peel and other different open stimulation, in order to achieve the purpose of pain relief and dispel the disease. Small needle knife therapy indications: mainly soft tissue injury lesions and bone and joint lesions, but also to treat pathological neuralgia, such as cervical spondylosis, cervicogenic headache, cervicogenic dizziness, cervical and lumbar intervertebral disc herniation, lumbar muscle strain, frozen shoulder, tennis elbow, tenosynovitis, thoracic rib joint disorder, knee osteoarthritis, gastrocnemius strain, heel pain, cervical and lumbar spine postoperative syndrome, postherpetic neuralgia. The principle of action of small acupuncture therapy: First, the acupuncture effect, with the role of reconciling yin and yang, supporting the righteousness and eliminating evil and dredging the meridians. The second is the closed surgical relaxation effect: the stimulating effect of the needle and knife may activate collagenase, so that the formation of adhesions and scarring of collagen fibers decomposition, release muscle tension, improve local blood circulation, the local accumulation of acidic metabolites and other chemical pain-causing substances away, so that local soft tissue function can be restored, so that the lesion local tissue structure to restore the normal anatomical relationship and normal physiological function. The advantage of small needle knife therapy is that the treatment process is easy to operate and is not restricted by any environment or conditions. The treatment incision is small, without sutures, and the damage to human tissue is also small, which is easy for patients to accept. Risks of small needle knife therapy: bacterial infection, nerve damage, internal organ damage, pneumothorax, low cranial pressure headache, etc. Precautions after the treatment: Do not touch the treated area with water for 48 hours to prevent infection.