For leg swelling need to explain what causes, in the clinical cause of leg swelling the most common reasons to consider two aspects: 1, due to lumbar spine problems, such as intervertebral disc protrusion, lumbar spine slipped, lumbar spinal stenosis, when compressed to the spinal cord nerve roots will appear in the case of leg swelling. Relief needs to instruct the patient to avoid prolonged sitting and standing, avoid excessive bending to take heavy things, wear a waist belt to protect the lumbar spine, sleep on a hard bed, you can take oral non-steroidal anti-inflammatory and analgesic drugs and blood stasis medications and nutritive drugs to treat the nerves, and with acupuncture, massage, traction, massage, baked electricity and other treatments. 2, varicose veins can also cause the patient to appear leg swelling. To relieve it, it is necessary to reduce the time of standing, try to elevate the affected limbs, and then wear compression stockings to relieve it.