Varicose veins should not be treated with bloodletting therapy, and it is harmful. Varicose veins are a venous system disorder that causes venous reflux due to poor closure of the venous valves. Varicose veins include both visceral varicose veins and cutaneous varicose veins. Portal hypertension is the cause of varicose veins in the esophagus and fundus of the stomach. Venous wall weakness and valve defects, and persistent elevated intravenous pressure are the causes of superficial varicose veins. Varicose veins should not be treated with bloodletting therapy because: first, although bloodletting can relieve the symptoms to some extent, it does not cure them. Because the human veins are so well connected, when the bleeding stops, the veins will soon return to their full state again. At the same time, bleeding will also damage the blood vessels and skin, once the infection occurs, it is likely to cause old rotten legs and even face serious consequences such as amputation. Secondly, the inner wall of our blood vessels is very smooth, the normal flow of blood in the blood vessels is not easy to form thrombosis. However, after bleeding, the blood vessel wall is damaged and the damaged area will stimulate the clotting mechanism to seal the damaged vessel wall, which is the normal protection mechanism, but if the damage is too much, the thrombus will spread to the whole tortuous vessels and even deep veins. Therefore, bloodletting therapy is not beneficial. Moreover, the pressure inside the varicose veins is high, and the bleeding wound is not easy to stop, which can cause excessive blood loss and harm to human body. Therefore, the treatment of varicose veins needs to go to a regular hospital to clarify the cause of the disease, according to the cause of the corresponding treatment, it is not recommended to carry out the so-called “bloodletting therapy”.