Pain in the lateral thigh is usually seen in orthopedics. Since the pain in the lateral thigh is mostly related to the injury of bone, muscle, nerve, tendon and ligament, all the above cases belong to the treatment scope of orthopedics, therefore, under the guidance of orthopedic surgeon, after clarifying the cause and the severity of the disease through relevant examinations, suitable methods can be chosen for treatment. 1, muscle injury: if in daily life due to overexertion, falls, impact, resulting in local soft tissue injury, ligament strain, fracture or open injury, may cause pain in the outer thigh. If the injury is more serious, there may also be a rupture of the lateral thigh muscles, often accompanied by swelling and restricted activity, which should be treated by orthopedic surgery through manual repositioning or surgical suturing as soon as possible; 2. Bone diseases: necrosis of the femoral head, local osteophytes, synovitis, femoral cyst, spinal deformity, spondylitis, spina bifida, lumbar sacralization, intervertebral disc herniation and many other diseases may cause pain in the lateral thigh, and also It may be accompanied by radiating pain, numbness, itching and obvious local sensory loss in other parts of the body, which should also be promptly seen by orthopedics to find the cause for treatment. In addition, pain in the lateral thighs may be a symptom of some diseases, so you should prefer to visit the relevant department with typical symptoms. If symptoms such as lower abdominal pain, increased vaginal discharge, nausea and vomiting appear first, they may be pelvic diseases and can be treated in gynecology; if symptoms such as lower limb swelling, edema and skin ulceration appear, they may be caused by vascular diseases and should be treated in the corresponding vascular surgery or dermatology department.