The symptoms of swelling and pain in the thigh: 1, may be due to lumbar disc herniation or lumbar spinal stenosis, compression to the nerves governing the leg and abnormal clinical manifestations, can be given lumbar traction, physiotherapy or massage to regulate, in serious cases may be surgical treatment to relieve the symptoms of thigh swelling. 2, may be due to local muscle, fascia injury in the thigh caused by abnormal conditions. 3, may be due to prolonged strenuous activities or strains resulting in clinical manifestations, patients should first bed rest, avoid strenuous activities of the thigh, with local physiotherapy, massage or topical anti-inflammatory and analgesic creams to assist in treatment. If the symptoms are not relieved within a short period of time, you must go to a regular hospital in a timely manner, do not delay the condition.