Sprained foot is also called ankle sprain, after ankle sprain through cold compress, local physical therapy, immobilization, surgical treatment, rehabilitation exercises and other ways can promote the recovery of ankle sprain parts. 1. Cold compress: patients with acute ankle injuries should apply cold compresses immediately, which can reduce local bleeding and swelling. 2. Local physical therapy: local physical therapy, such as laser or ultrasound physical therapy, can promote tissue healing after 48 hours of ankle injury. 3. Immobilization: ankle sprain patients with partial ligament injury or laxity can be immobilized in the ankle dorsiflexion 90 ° position with a plaster, wide adhesive tape or bandage for 2~3 weeks. 4. Surgical treatment: ligament rupture needs ligament repair surgery, and those who have fracture pieces into the joint should be cut and reset, and fixed with plaster for 3~4 weeks after surgery. 5. Rehabilitation: Early rehabilitation under the guidance of doctors can promote fracture healing and functional recovery and prevent complications. Therefore, after ankle sprain, we should go to the hospital in time and perform regular treatment and early rehabilitation under the guidance of doctors to promote the recovery of ankle joint function.