There are several possible causes of thigh pain in women: 1, lumbar disc protrusion, when the high lumbar disc protrusion, such as lumbar 2-3, lumbar 3-4 disc protrusion can lead to the front of the thigh, or the medial pain radiates to the front of the knee. This is the first time that a lumbar spine CT and MRI are required for diagnosis and treatment. 2, the hip can cause pain in the proximal lateral thigh, often accompanied by an abnormal sound in the proximal lateral thigh when walking. 3, the greater trochanter bursitis, the greater trochanter bursitis can appear in the proximal lateral femur pain, often when walking and cold pain is more obvious. 4, the femoral head disease, the femoral head necrosis, the femoral head necrosis, the femoral head necrosis, the femoral head necrosis, the femoral head necrosis, the femoral head necrosis. In the case of femoral head disease, pain in the thigh can occur in the case of femoral head necrosis, which can also radiate to the anterior part of the knee.5. Hip impingement syndrome, hip impingement syndrome can also occur in the medial, anterior, and posterior thigh pain, which is diagnosed by hip x-ray and nuclear magnetic examination.