1. Restore the function after venous operation of lower limbs. Prevention and treatment of recurrence of varicose veins. 2. Eliminate edema after various operations and promote wound healing. 3. Eliminate the swelling and soreness caused by venous blood reflux disorder of lower limbs, so that the blackened and hardened skin gradually turns better and the ulcer skin heals. Make the prominent venous vessels gradually collapse and restore to their original state. 4. Prevent deep venous thrombosis of lower limbs in patients who have been bedridden for a long time. 5. Eliminate edema of lower limbs of pregnant women in the third trimester, and prevent varicose veins of lower limbs and deep venous thrombosis after delivery. 6. Prevention and treatment of air passenger economy class syndrome. 7. Wearing leg shaping products for a long time will immediately reduce the leg circumference, which is smaller than when not wearing them. From the visual effect, the legs are more slender. If you insist on wearing it, the leg circumference will be reduced to varying degrees. The pressure of elastic socks will be reduced from bottom to top, which meets the needs of venous blood reflux pressure of human body, effectively relieves or improves venous pressure of lower limbs, improves local skin malnutrition, promotes blood circulation, and relieves and eliminates leg swelling. Lateral pressure balance support, prevent leg fat from sagging, keep leg shape beautiful, and help your leg shape reach the ideal shape. Wearing body-shaping elastic socks for a long time can continuously and gently compress leg muscles and fat, promote blood circulation and consume leg energy. It has the functions of gathering, gathering and lifting legs, preventing sagging, improving leg lines, correcting leg shape and reducing leg circumference. Pantyhose elastic socks can also play the role of lifting hips and abdomen, and can prevent varicose veins caused by standing or walking for a long time, making your legs more beautiful and feel more relaxed. Standing, sitting and heavy manual labor can relieve discomfort of lower limbs and prevent varicose veins of lower limbs.