The best way to prevent varicose veins is to wear compression stockings, do more exercises for lower limbs, avoid standing for a long time as well as sitting for a long time, and actively treat the diseases that lead to increased intra-abdominal pressure. 1. Wearing compression stockings: Wearing compression stockings can promote the blood return of lower limbs and prevent venous stasis, thus effectively preventing varicose veins of lower limbs. 2. Do more lower limb exercises: patients can do more lower limb exercises, such as leg lifting, leg stretching, leg bending, and elevating the lower limbs at the right time, which also has the effect of promoting blood return to the lower limbs and preventing varicose veins. 3. Avoid prolonged standing and sitting: For teachers, doctors, salespersons, bus drivers and other professions that require prolonged sitting or standing, it is recommended to move around after some time, lift the legs and exercise to prevent varicose veins. 4. For diseases that cause increased abdominal pressure, such as constipation, hernia, etc., it is recommended that they be treated promptly and actively, because increased intra-abdominal pressure affects the venous return of the lower extremities, which may lead to the development of varicose veins. The discovery of varicose veins in the lower limbs should be promptly consulted and disposed of in accordance with medical advice.