Precautions after foot sprain mainly include avoiding weight-bearing on the affected limb, applying hot compresses after short-term cold compresses, and not drinking alcohol, etc., as follows: 1, avoid weight-bearing on the affected limb: after foot sprain, regardless of the severity, short-term weight-bearing on the affected limb should be avoided, otherwise the damage to the ligaments and articular cartilage will increase, and even cause chronic foot and ankle instability, causing sequelae, such as recurrent joint pain, swelling and restricted activity, and joint degeneration will also be significantly accelerated. 2, short-term cold compress and then hot compress: after the foot sprain should be combined with short-term cold compress treatment, and do not use hot compress, otherwise it will aggravate the swelling and inhibit local damage repair, leading to serious consequences. Three days later, when the swelling is stable, then change to hot compress treatment, the effect is better. 3, do not drink alcohol: patients should not drink alcohol, otherwise it will make the local blood vessels dilate and aggravate edema, which is not conducive to soft tissue repair.