Meniscus second-degree injury if not timely treatment, may become a third-degree injury, but if the active medical standardized treatment, can maximize the relief of clinical symptoms, promote the improvement of the condition, and delay the development of the third-degree injury. Meniscus second-degree injury refers to the meniscus morphology and surface structure of the normal internal, high signal area is greater than 1/2 of the meniscus section, but did not reach the articular surface, should be standardized treatment, if not treated or do not pay attention to the protection of the knee joint, may soon become third-degree injury. Second degree meniscus injury, it is recommended to actively treat, first of all, can be conservative treatment, it is recommended to bed rest, you can also use the plaster or brace for immobilization and braking, to avoid weight-bearing of the affected limb, follow the doctor’s instructions to choose non-steroidal drugs such as ibuprofen, celecoxib and so on, to relieve the pain symptoms. If the effect of conservative treatment is not good, you can also choose surgical treatment, such as arthroscopic meniscus suture surgery. For second degree meniscus injury, we should actively cooperate with doctors to carry out standardized treatment and review on time to avoid aggravating the condition into third degree injury.