The main benefit of leg inversion posture is that it can improve the fatigue of the lower limbs, restore the elasticity of the blood vessels of the lower limbs, promote the blood circulation of the lower limbs, so that the venous blood can flow back to the heart adequately, so as to improve the soreness, swelling and pain in the legs of the lower limbs, and to a certain extent, treat the patients with varicose veins or phlebitis. Acute lower extremity injuries, localized infections, and lower extremity blood circulation disorders can also be quickly relieved by leg inversions, which can help the recovery of the disease. As long as the leg inversion posture, keep the time is not more than 20 minutes, there is generally no harm to the body, but once more than 20 minutes, it will increase the burden on the human heart. If the leg suffers from some chronic inflammation or chronic circulatory disorders, long time leg inverted posture will make the local blood supply, oxygen supply decreased, thus aggravating the symptoms of the disease.