Foot sprain generally refers to ankle sprain, the ankle is easy to sprain, because there was a history of ankle sprain, after the ankle sprain most people do not care much, think that the bone is no problem this idea is extremely wrong, because although the ankle is not fractured after the sprain, but the ankle will have ligament damage. If the ligaments are seriously damaged and not rested in time, the ligaments will be rubber band-like stretched, and their strength will be reduced after the ligaments become longer, leading to instability of the ankle joint, so that people will sprain their ankles when walking with a slight external force, and once the sprain is hard to heal. So people sprain their feet without proper treatment, it will easily lead to habitual foot sprain, mainly because the unstable joint in the ankle joint is easily damaged by slight external force, and the joint is also easy to degenerate, so if patients twist their feet after the correct treatment in time to avoid leaving sequelae.