Sweating is not good for varicose veins. The high temperature can promote blood circulation and the blood from the arteries will speed up the circulation into the superficial veins, and the blood from the superficial veins will not flow back into the deep veins in time because of the varicose veins, and even some of the blood from the deep veins will enter the superficial veins, resulting in higher and higher pressure in the superficial veins. Because of these reasons, the degree of varicose veins will increase and the patient’s condition will increase to some extent, and this moist environment will increase the chances of skin infections. If the varicose veins become infected, it can be a tricky problem for the treatment.