objective to investigate the curative effect of semiconductor laser treatment of varicose veins of lower extremities. Under in the vein compound anesthesia using semiconductor laser treatment of 30 patients with varicose veins of lower limb, fol owed up for 1-17 months to observe the curative effect. Results al patients with varicose veins disappeared after operation and lower limb acid bilges feeling heavy, body pigmentation to reduce to varying degrees, itchy skin, average postoperative hospital stay was 3.3 (1-12) days. Conclusion semiconductor laser treatment of varicose veins of lower extremities has smal trauma, quick recovery, safe, effective, beautiful, shorter hospitalization time, etc.