High-energy injury, as traffic accident or fall down, can cause fracture of femur head and posterior dislocation of hip joint which is accompanied with ipsilateral acetabulum fracture or femur neck fracture. But the case that femur head fracture and posterior dislocation of the hip joint coincide with ipsilateral intertrochanteric fracture of proximal femur is so uncommon that reports of the case is very rare. We hereby are to report the experienced and treated-cases of femur head fracture and posterior dislocation of the hip joint that is accompanied with ipsilateral intertrochanteric fracture.