Varicose veins of the lower limbs focus on prevention, to strengthen the walls of the venous ducts and protect the superficial veins, to achieve the purpose of prevention.1, this disease has a genetic tendency, there is a family history of varicose veins, and it develops at about 30 years old. Therefore, in children and adolescents should be diligent in exercise to strengthen the walls of the veins.2. Obese people should lose weight, although obesity is not the direct cause, but the overload will cause the lower limb venous pressure to rise and aggravate the varicose veins.3. Those who have been engaged in heavy physical labor for a long time and standing for a long period of time should be protected by wearing medical compression stockings.4. Long-term workers who have been engaged in standing for a long period of time should also walk around frequently, at least to do the ankle joint Flexion and extension exercises should be done to promote the venous return of the lower limbs and reduce the pressure in the superficial veins. 5. Special periods such as menstruation and pregnancy of women should be given special care for the legs. Such as more rest, frequent massage, promote venous return, avoid varicose veins and so on.