Varicose veins of lower limbs are blood reflux disease, patients should avoid standing for a long time so as not to aggravate blood reflux to form blood stagnation, poor reflux, and the presence of blood in the blood vessels will produce the symptoms of leg swelling and discomfort. Preventive exercises are as follows: 1, when working or maintaining a long-term sitting position, you can properly straighten your legs, tense up and then repeatedly hook up the toes, every 40 minutes of work activities for 3-5 minutes; 2, appropriate jogging, avoiding strenuous exercise, which can promote the venous blood reflux; 3, at night when you sleep, properly elevate your feet by 15 °, you can cushion pillows at the foot; 4, appropriate massage, wearing compression stockings, to prevent varicose veins is also very 4) Appropriate massage and wearing elastic stockings are also very useful in preventing varicose veins.