Meniscus injury in 70-year-old people are mostly degenerative lesions, causative treatment should prevent overloading of the joints, moderate exercise, symptomatic treatment can choose medication and physiotherapy treatment, if necessary, surgical treatment. 1. Causal treatment: daily should reduce the load on the knee joint, strain, avoid going up and down the stairs, climbing mountains and other strenuous exercise, moderate exercise, can choose walking, swimming and other activities with lighter load. 2. Symptomatic treatment: meniscus injury can lead to knee pain and activity limitation, can choose non-steroidal drugs such as ibuprofen, meloxicam and so on to relieve the local pain, but also can choose to nourish the cartilage of the drug such as glucosamine sulfate and so on. Local physical therapy can also be carried out. 3. Surgical treatment: If the degeneration is serious and dysfunction occurs, surgical treatment is needed, such as meniscectomy. Due to the age and physical ability of 70-year-old people, they should be careful to choose the appropriate treatment plan. The above medications are recommended to be used under medical supervision.