After the ankle sprain, local swelling and pain will occur, which can be treated with topical medications. The commonly used dressing drugs include western medicine preparations and traditional Chinese medicine preparations. The western medicine preparations are mainly non-steroidal anti-inflammatory and analgesic drugs, such as diclofenac gel and fotarine emulsion. These drugs mainly play the role of anti-inflammatory and analgesic, which is conducive to the elimination of local swelling, elimination of inflammation and pain relief. Chinese patent medicine preparations commonly used include Chinese patent medicine’s Jinhuang cream, musk and tiger bone cream, Yunnan Baiyao preparation and so on. These drugs mainly play the role of blood circulation, anti-inflammatory and analgesic, and can also reduce local pain and eliminate local swelling. These drugs can be bought in pharmacies. After a foot sprain, you should brake and rest, do not move, pay attention to local protection. It can be treated by applying medication. If the symptoms are not relieved within a week, it is recommended to go to the hospital for examination to clarify whether there are other serious injuries.