The recovery of ankle sprain swelling is based on the site of injury, the degree of injury, clinically ankle sprain has ligament tear, muscle strain, dislocation or fracture of the bone joint three kinds of cases. Simple ligament injury or small degree of muscle strain generally about 2 weeks swelling can subside and recover; bone fracture or small degree of avulsion fracture, the need for a brace or plaster fixation, generally 1.5 ~ 2 months after the recovery; fracture of severe dislocation or serious contusion of soft tissues need 2 ~ 3 months or even more. The specific recovery time is related to the severity of the condition, age, and treatment plan. After ankle sprain with pain, swelling and other symptoms, it is recommended to go to the hospital in a timely manner, cooperate with the doctor’s examination, to clarify the cause, and timely intervention, so as not to affect the later recovery process.