How often the meniscus injury MRI review depends on the condition of the recovery, generally need about six months for review. 1. For patients with mild meniscus injuries, MRI review is generally not required. 2. For patients with severe meniscus injury or after surgery, they need to be immobilized with braces and casts, and generally need to be reviewed in about six months to observe the recovery. If there is no limitation of flexion and extension, no pain, and a good range of flexion and extension, the recovery is good, and then it is necessary to review once every 12 months. If abnormal symptoms such as redness, swelling, pain, etc. occur during the recovery period, timely review should be conducted to avoid adverse complications. Therefore, patients with meniscus injuries should be rechecked according to the specific condition of the recovery, under the guidance and advice of the doctor.