After the foot sprain, you should apply the ointment that activates blood circulation and relieves swelling and pain, such as the common blood circulation and pain ointment, wound pain relief and Wan Tong tendon and bone paste, which can effectively activate blood circulation, reduce swelling and pain, and help relieve local pain and symptoms related to unfavorable activities. After 48 hours of sprain, you can apply magnetic therapy patch, warm patch, etc. to increase local blood circulation and promote venous return, which can also effectively relieve swelling and pain. But for patients with foot sprains, you can not simply rely on the attached drugs, because it is very critical to brake the injured part of the rest, if the injury is heavy, you can carry out external fixation of plaster or brace, if it is relatively light, you can bring ankle brace for effective protection, can play a good role in braking rest. If the swelling is more obvious, it is best to elevate the injured position above the level of the heart to effectively reduce the local swelling and pain symptoms through the effect of gravity.