Mild meniscus injury of the knee usually takes 2~3 months to get well. Mild meniscus injury of the knee for meniscus cracks, but not up to the edge of the joint, the main conservative treatment, you can take the knee joint brace fixed, to avoid the knee joint weight-bearing flexion activities. You can take oral nutritional cartilage drugs such as glucosamine sulfate capsules to promote healing. Quadriceps exercises can be performed to increase the strength and stability of the knee joint. Localized ultrasound or infrared therapy can also be used to improve circulation and promote healing. For injuries that occur in the red zone, the blood flow is relatively rich and the recovery is faster, while if the injury occurs in the white zone, the recovery is slower and usually takes about 3 months. Therefore, mild knee meniscus injuries generally take 2 to 3 months to heal, during this period to avoid strenuous exercise.