1.What is needle knife therapy? Needle knife is a kind of metal instrument for treating diseases, named because it is as slender as a needle and has an edge like a knife at the tip. The method of treating diseases with needle knife is called needle knife therapy, which is a closed minimally invasive treatment, and is the inheritance and development of the nine needle stabbing methods in the ancient Chinese medical texts. 2, the role of acupuncture therapy (1) dredge the meridians, blood circulation, remove blood stasis (2) release adhesions, release compression (3) release spasm, harmonize qi and blood 3, the indications of acupuncture therapy Acupuncture therapy is mainly applicable to orthopedic pain diseases, especially for the following diseases have better efficacy: neck, shoulder and back pain, upper limb numbness and pain, headache as the main clinical manifestations of cervical spondylosis; to lumbar pain, waist and leg (including waist and hip) The main clinical manifestations of lumbar disc herniation, lumbar spinal stenosis and lumbar spondylolisthesis are pain in the lumbar region, numbness and weakness in the lower extremities, intermittent claudication, and difficulty in controlling the frequency of urination; frozen shoulder with pain and limitation of movement in the shoulder joint; tennis elbow with pain and limitation of movement in the elbow joint; flexor tendon with pain, popping and difficulty in flexion and extension when moving the fingers. Stenosing tenosynovitis (plate machine finger); knee osteoarthrosis with knee pain, restricted activity and joint effusion as the main clinical manifestation; rheumatoid arthritis with multi-joint swelling and pain, deformity and restricted activity of extremities as the main clinical manifestation; heel pain (heel spur) with heel pain and walking difficulty as the main clinical manifestation, etc. 4, contraindications to acupuncture therapy (1) patients with bleeding tendency of blood disease. (2) The application site has skin disease or local infection. (3) Patients with severe diabetes mellitus should not add compound betamethasone to the anesthetic, and fasting blood sugar should be lowered to below 7 mmol/L before the operation. (4) Patients with mental illness who cannot cooperate with the treatment. (5) Pregnant women with lumbosacral and abdominal areas are not allowed to undergo acupuncture. (6) Localized tumors. (7) Those who have not signed the informed consent. 5.Postoperative treatment and precautions (1) After the needle is released, the eye of the needle is covered with sterile dressing and excessive activities are avoided within 2 hours to prevent local hematoma. On the day after surgery, the eye of the needle should not be exposed to water to avoid infection at the eye of the needle. (2) needle knife treatment can generally improve the symptoms and signs once, in order to consolidate the effect can be treated again after a week, generally no more than 4 times. (3) in sensitive acupuncture points to do needle knife loosening, must be familiar with the local anatomy of the corresponding points, to prevent damage to the local important structures.