Thigh injuries are relatively uncommon sports injuries. But the incidence is increasing as many kinds of sports activity develops. And the prompt recognition and treatment of these injuries are critical to prevent prolonged disability. Also, despite the simple anatomic structure of the thigh, this region is finely tuned muscular mechanism with both anterior and posterior muscles crossing two joints. So the contracture of thigh muscle can result in not only decreased range of motion of the knee and hip joint, but also painful lumbar spine. So we reviewed recent literatures about the type of thigh injuries, diagnosis, treatment and rehabilitation.