To get better quickly after a knee sprain, first patients need to clarify the severity of the sprain, and then take the corresponding treatment methods, as follows: 1, physical therapy: if you can still walk, the knee swelling is not particularly serious, you can give ice, elevate the affected limb, while reducing walking as much as possible, so that the soft tissue swelling to recover quickly; 2, surgery: some knee sprains usually In this case, it is necessary to perform MRI evaluation of the knee joint, combined with the doctor’s physical examination, to clarify the degree of injury, and some meniscus and cruciate ligament injuries require arthroscopic surgery, which can be repaired and reconstructed under the arthroscope for a faster and better recovery.