Posterior meniscus horn degeneration can be treated by general treatment, physical therapy and medication. 1. General treatment: After the occurrence of posterior meniscus horn degeneration, we should reduce the excessive activities of the knee joint, pay more attention to rest, and avoid standing, walking or bending the knee for a long time to prevent aggravating the degeneration of the posterior meniscus horn. 2. Physiotherapy: local microwave therapy, infrared therapy, magnetic therapy and other physiotherapy can be performed in regular hospitals, which can improve local microcirculation and accelerate blood flow, and help to alleviate the uncomfortable symptoms. 3. Medication: Oral non-steroidal anti-inflammatory and analgesic medication such as Loxoprofen sodium can be taken under doctor’s guidance, and medication such as glucosamine capsule can be taken orally to nourish the articular cartilage, and drugs such as sodium hyaluronate can be injected into the joint cavity to lubricate and nourish the articular cartilage. When the meniscus posterior horn degeneration, we should consult a doctor in time, under the guidance of a specialist to actively carry out the appropriate treatment, which will help to alleviate the discomfort symptoms as soon as possible.