Snap-needle operation procedure, including preoperative assessment and communication, sterilization, needling, needle removal steps. 1. Preoperative assessment and communication: clarify whether the patient has contraindications to surgery, such as: skin ulceration, coagulation disorders, mental disorders, and so on. Ensure that the patient has no contraindications to surgery, and ensure the safety certificate of surgery. Inform the patients of the operation process and the possible adverse reactions during the operation and intraoperative period, and obtain the positive cooperation of the patients. 2. Disinfection: Combine with the patient’s individual situation, choose acupuncture points, use iodophor solution to disinfect the operation area to prevent infection. 3. Needling: Use vascular forceps to take snap needles and puncture at the selected acupoints, and after gently piercing, press the finger for about 1-2 minutes to prevent the snap needles from falling off. Subsequently, bury the needle for about 4 hours, during which time, pay attention to observe the pierced area, whether there is redness, swelling, pain and snap needles fall off and so on. 4. Remove the needles: After 4 hours, the puncture site is sterilized again, and then the snappers are removed with vascular forceps. Acupuncture is a professional operation, patients should not do it on their own, it is recommended to go to a regular medical institution to seek professional help, do not do it on their own to avoid adverse consequences.