Lateral thigh pain may have the following causes: first, dermatome neuritis, when there is dermatome neuritis can appear in the lateral thigh dermatome nerve innervation area pain, often a palm-sized pain, then to conduct relevant physical examination for early diagnosis, if necessary, oral nerve nourishing drugs for treatment; second, hip impingement syndrome, when the hip joint has impingement syndrome, can also appear thigh Third, bursitis of the greater trochanter, when the bursa of the greater trochanter has chronic inflammation, it can also appear the pain of the proximal lateral thigh; fourth, rattling hip, patients with rattling hip can also appear the pain of the proximal lateral femoral trochanter, often accompanied by rattling, then we should carry out In this case, the diagnosis should be made by X-rays and nuclear magnetic examinations and physical examination.