Swelling in the foot usually takes 1-3 weeks to subside, as follows: First, for mild edema of the foot, elevate the affected limb and carry out toe activities, and the swelling will usually subside completely in about a week. Second, serious swelling, such as fracture dislocation, ligament tear, you need to carry out detailed treatment, usually at least three weeks, the swelling will completely subside, but does not mean that the injury has been completely cured, still need to pay attention to the protection of the foot, to avoid weight-bearing, to avoid being subjected to stress, and so on until the damage is completely repaired, the symptoms of swelling will not recur. Until then, cold compresses and rehabilitation exercises are still needed.