The advantages of radiofrequency ablation for varicose veins include ease of operation, minimal trauma and good efficacy; the disadvantages are the possibility of complications such as hyperpigmentation and venous thrombosis. Radiofrequency ablation for the treatment of varicose veins utilizes the physical heat-producing effect to cause direct or indirect damage to the endothelium of the blood vessels, resulting in adhesion and occlusion of the endothelium of the veins and ultimately closure of the venous lumen. Advantages: Compared with traditional surgery, it is less traumatic, easier to operate and the skin is more beautiful. Also, studies have shown that the long-term outcome of radiofrequency ablation is favorable for most patients. Disadvantages: Radiofrequency ablation for varicose vein treatment can also have sequelae. If it is not operated properly, it can cause thermal damage, which is manifested as skin burns, hard nodules, pigmentation, etc. Minimally invasive treatments are bound to cause changes in blood flow and the formation of tiny thrombi when closing the blood vessels, which can lead to the emergence of thrombophlebitis. It is recommended to seek medical advice and consultation in time.