First, small needle knife treatment postoperative precautions Needle knife treatment is a closed surgery, the damage is small, no special treatment, in general, in the needle hole covered with a band-aid protection, 24 hours to remove the band-aid can be. After receiving treatment, patients should pay attention to the following points. 1. After leaving the treatment room, take a proper rest. If there are symptoms of weakness, nausea, dizziness, chest tightness and other discomfort, do not leave the waiting room for half an hour to prevent the occurrence of postoperative dizziness. 2. Within 24 hours after treatment, local hot compresses, physiotherapy and massage should not be used to prevent edema or hematoma at the treatment site; 3. According to the patient’s physical condition, treatment site and trauma size, antibiotics or blood-activating and pain-relieving drugs can be taken if necessary to prevent infection and reduce postoperative discomfort and pain; 4. Within three days of treatment, avoid pulling and moving the affected area to avoid re-tearing and injury. Make the wound bleeding or excessive exudate and affect the efficacy. After three days, start appropriate activities or exercise in a gradual manner; 6. Patients with wind-cold and damp paralysis should pay attention to preventing cold and keeping warm after treatment, and patients with strain diseases should pay attention to not bearing weight on the affected area after treatment. Second, the characteristics of acupuncture medicine 1, simple: simple treatment, no incision, no bleeding, less patient pain. 2, convenient: easy to apply, a needle knife, a pair of gloves, routine skin disinfection can be applied. 3, cheap: low cost, low cost of treatment, low cost of treatment.