Thigh pain should first of all pay attention to whether there is a history of trauma or whether there is a history of strenuous exercise, because there is no other tissue around the thigh, mainly muscle, in addition, the causes of thigh pain include: 1, bone factors, such as the thigh femur has a history of osteochondritis or bone tuberculosis, bone tumors, to carry out a photo examination to exclude early lesions in bone disease; 2, other diseases, such as lumbar disc herniation can cause radioactive pain, pear-shaped muscle syndrome stuck sciatic nerve can also cause thigh pain, epiglottic neuritis manifested as thigh pain, pain but knee; 3, hip joint of femoral head necrosis, osteoarthritis, hip arthritis, etc., hip joint if there is high pressure, blood circulation, nerve aspects produce radioactive sensation, resulting in thigh swelling. Therefore, thigh pain should not be underestimated and must be seen by a professional doctor to avoid delays in treatment and misdiagnosis.