Generally anterior and posterior meniscus corner degeneration is not considered serious, while anterior and posterior meniscus corner tears are more serious. Anterior and posterior meniscus corner degeneration mainly refers to the meniscus damage degeneration, which includes reversible degeneration and irreversible damage degeneration. Reversible degeneration, such as traumatic injuries to the anterior and posterior corners of the meniscus, can be recovered after recovery or medication; irreversible degeneration, such as aging and degeneration of the anterior and posterior corners of the meniscus. When trauma and other factors cause the anterior and posterior corners of the meniscus to tear, usually can not be healed on their own, this kind of situation belongs to the serious meniscus injuries, and need to undergo surgical treatment in order to recover, such as the anterior and posterior corners of the meniscus tear suture surgery, anterior and posterior corneal angioplasty of the meniscus. No matter what kind of meniscus anterior and posterior horn degeneration, all need to be treated accordingly, so as not to affect the function of the knee joint after meniscus injury.