After a foot sprain, you should rest in bed as much as possible and not walk on the ground too much. Although there is no problem with the bones, the ligaments connected between the bones are under extreme tension when walking on the ground, in addition to the main supporting role of the bones. After a foot sprain, the ligaments are severely damaged, and if they are still tense before they are completely healed, the ligaments will be in a scar healing or relaxed healing situation. Later it is easy to walk more, sprained parts of the pain or appear habitual foot sprain, by then the treatment, there is no particularly good effect. So now there is a foot sprain, should be as far as possible bed rest 3-4 weeks, and strive to let the ligaments heal at once, even if walking on the ground, but also until the ligaments are completely healed, and the process has the protection of crutches.