The early treatment principle of foot sprain is local braking, need cold compress, cold compress can promote local blood circulation to reduce, prevent excessive local swelling. The main point, the early sprain should be in the case of braking, promptly go to the hospital, X-ray or nuclear magnetic examination, to determine whether there is a local fracture, whether there is local ligament damage, etc.. If there is a fracture or injury, you must seek professional medical treatment, otherwise the foot sprain will affect the fracture, fracture healing difficulties or fracture deformity healing, there will be pain and limited movement of the foot, joint pain in the foot after prolonged walking, etc., affecting the quality of life.