Leg a lift thigh root pain can have the following reasons: first, impingement syndrome, which is the most common symptom of leg a lift thigh root pain. Impingement syndrome is often due to the acetabulum of the hip joint and the femoral neck collision, which leads to the labral tear between them, and the symptoms of leg lifting thigh root pain, this time, we need to early checkup, early examination of the hip joint MRI and X-ray to diagnose, after diagnosis, we need to early oral medication, and if the condition is serious, we also need to surgical treatment. Secondly, femoral head disease, when the femoral head has necrosis, there can be symptoms of thigh pain when lifting the thigh root, then we should check the MRI and CT of the femoral head to diagnose and treat it at an early stage.