The patient’s thigh a tendon very painful reasons are as follows: 1, caused by trauma, such as patients in strenuous sports, caused by the thigh muscle ligament strains, there may be thigh muscle pain; 2, the usual lack of exercise or usually weak, strenuous sports, prolonged fatigue, there may be caused by the muscle lactic acid accumulation, thus appearing thigh muscle pain symptoms; 3, with lumbar disc herniation, there may be this situation, patients with degenerative lumbar spine or long-term stooping and weight-bearing work, causing lumbar disc herniation, the protruding discs pressed on the nerves. 3, suffering from lumbar intervertebral disc herniation, may also occur, patients with degenerative lumbar spine or long-term stooping and weight-bearing work, caused by lumbar intervertebral disc herniation, herniated intervertebral discs compression of nerves, it may cause sciatica. In addition to lumbar pain, there will be radiating pain in the lower limbs. In this case, it is necessary to pay attention to rest, avoid exertion, can be treated with anti-inflammatory, pain medication, such as diclofenac sodium and other drugs to relieve pain, but also can be used in Chinese medicine such as Wantong Tendon Bone Tablets, etc., to relieve the pain symptoms.