Patients have painful symptoms when lifting the leg at the root of the thigh, commonly due to hip joint injury and acetabular glenoid labrum chronic sports injury, as follows: First, hip joint injury: If it is a hip joint injury, such as joint soft tissue sprain and hip joint fracture and dislocation, all can show painful symptoms of lifting the leg at the root of the thigh, accompanied by restricted movement of the hip joint, and taking x-rays sometimes reveals hip joint fracture line and hip joint dislocation. Second, the acetabular glenoid lip chronic sports injury: If the acetabular glenoid lip chronic sports injury, such as glenoid lip tear, is the result of long-term overstrain, sports accumulation, the patient will have hip joint pain, limited activity, lifting the leg will induce pain symptoms aggravated, most occur in young patients, MRI can find the lesion site. Patients with painful symptoms when lifting the leg at the root of the thigh should be diagnosed and treated promptly in order to get the clinical symptoms under control, otherwise it may cause serious clinical consequences such as femoral head necrosis.