The benefits of leaning your legs up against the wall are as follows: First, it can effectively stretch the ligaments of the lower limbs, which is applicable before strenuous activities. Because this can stretch the ligaments completely, thus avoiding the situation of ligament damage in the lower limbs during strenuous exercise. Second, the exercise of local muscles can strengthen muscle vitality and promote local blood circulation, which is conducive to improving lower limb dysfunction. But the leg up against the wall also has its bad points, such as improper force, may lead to local muscle, or ligament strains, or even cause bone changes, which will lead to localized lower limb, pain and even swelling, thus affecting the patient’s daily life. Therefore, when leaning the leg up against the wall, you must pay attention to the appropriate force, to avoid excessive force, causing ligament and muscle strains.