The leg sprain is often referred to as a muscle or ligament strain injury, and can recover on its own depending on the severity of the injury. If you have a minor muscle or ligament strain, rest in bed for about half a month to three weeks, do not have joint activities, so that the strained ligaments and muscles in a resting state slowly heal, the process with the external use of blood stasis pain relief cream and physical therapy, or Yunnan Baiyao aerosol can help recovery. Because of the large role of the entire violence, there is a ligament or muscle tear injury that cannot be treated by simple methods and needs to be protected with external fixation braces. A complete rupture of muscles and ligaments requires surgical suturing. This injury can be judged by the fact that from mild to moderate to severe, there will be symptoms of swelling and pain of increasing severity.