“…Under more serious conditions, venous thrombosis can develop which is life threatening. [4][5][6] Previously, surgery was the clinical treatment for varicose veins, [7][8][9] including high ligation of the greater saphenous vein, peeling point phlebectomy, etc. More recently, however, surgical methods have been rarely used due to their many drawbacks, such as the difficulty level of surgery, the potential for serious tissue damage and pain, postoperative complications, and poor treatment effects.…”