RICE therapy is a common treatment principle for ankle sprains in the international arena. RICE therapy is also known as R, I, C, E treatment principles, as follows: 1, R is rest: after the ankle sprain can choose to fix, then full rest, and fixation can be used plaster, but also can be fixed with braces; 2, I is ice or cool compress: try to choose cool compress for the first 1-2 days after the sprain to inhibit inflammation and exudation; 3, C is compression bandage: after the sprain, local pressure bandage can be used to inhibit swelling; 4, E is elevation: the affected limb can be elevated to promote local reflux, so as to relieve local swelling.