It should be clear that medication after foot sprain can only be used as an adjunctive treatment, not as the primary treatment after foot sprain. The main treatment after foot sprain is to elevate the limb, brake the limb, and apply cold compresses within 24 hours. The purpose is to reduce the aggravation of the injury caused by sports. The role of drugs is to promote blood circulation, blood circulation, improve peripheral microcirculation, commonly used drugs are two kinds: 1, painkillers, non-steroidal anti-inflammatory drugs, such as diclofenac. 2, blood circulation and blood stasis drugs, such as Yunnan Baiyao. First check the swelling of the foot, if it is swollen, check whether it is fracture, if there is no obvious fracture, simple injury soft tissue swelling, you can consider local cold compress for 24 hours, after 24 hours depending on the swelling and pain to take hot compress treatment. If it is a soft tissue injury, rest after 3 weeks to recover.