Minimally invasive surgery for varicose veins mainly includes laser closure, high saphenous vein ligation and sclerotherapy. 1. Laser closure: laser fiber is used to emit laser and laser guide wire is placed into the varicose vein, which is heated at high temperature to make the wall of vein close and achieve the purpose of treating varicose veins, the surgery is minimally invasive, without obvious wounds, and the recovery is faster after the surgery. 2. Saphenous vein high ligation: it is to ligate the beginning of saphenous vein at the root of thigh, blocking the blood flow back to stop the further development of varicose veins, the surgery is simple, safer, and has good therapeutic effect. 3. Sclerotherapy: Polydocanol is mainly used as a safe and efficient foaming agent, and the sclerosing agent is injected into the varicose veins through syringe injection, which can close the lumen of the varicose veins for the purpose of treating varicose veins, and there is no obvious wound, and the recovery after the surgery is faster. Minimally invasive surgery for varicose veins is less invasive and has a good therapeutic effect, and the specific treatment plan needs to be standardized under the guidance of a doctor.