Chronic meniscus injury can be treated through lifestyle changes, medication, conservative treatment, surgery and other treatment modalities. 1. Lifestyle changes: patients with chronic meniscus injury should not continue to carry out high weight-bearing work, try to avoid stairs, jumping, squatting and other injuries to the meniscus behavior. 2. Medication: If pain can be treated with medication for pain relief, generally non-steroidal anti-inflammatory drugs can be used, such as: celecoxib, acetaminophen and other drugs. 3. Conservative treatment: For patients with mild to moderate meniscus injury, rest, brace fixation, physical therapy, functional exercise and other ways of treatment. 4. Surgery: For severe meniscus injuries, surgery is generally used, and nowadays, minimally invasive surgery such as arthroscopy is generally used. Drugs should be used according to the guidance of the physician, lifestyle changes for chronic meniscus injuries before and after the treatment is the most critical.