Varicose veins prevention from the following aspects to analyze, for the patients who do not have varicose veins, usually should avoid standing or sitting for a long time in a state of immobility, there is an opportunity to elevate the feet, can help the venous return, this is a preventive measure; at the same time should avoid prolonged lifting and pulling of heavy objects to increase abdominal pressure, long-term closed can also increase abdominal pressure, abdominal pressure increases can make the lower vena cava veins by pressure, which leads to lower limb reflux is impeded, superficial vein expansion, long-term expansion of the venous loss of elasticity, will appear varicose; long time expansion of the veins will lose elasticity, will appear varicose veins. The increase of abdominal pressure will make the lower vena cava under pressure, which will lead to the obstruction of the reflux of the lower limbs and the expansion of the superficial veins, and the long term expansion of the veins will lose the elasticity, and the varicose veins will appear; it is recommended to wear the medical stockings for the long term standing or sitting occupations, which are also called the sequential decompression stockings, and it is recommended to buy the better quality stockings, and the bad quality stockings will play the opposite role, and they are easy to be crumpled together and form the hoop pulling role, which will make the reflux more obstructed and aggravate the bruising of the lower limbs. After surgery, if there is venous valve function reflux and other insufficiencies, it is recommended to wear compression stockings for a long time to prevent the recurrence of varicose veins.