Meniscus injury can choose high protein food, such as beef, eggs, milk, etc. can promote meniscus injury self-repair. If the meniscus injury is a degree I or II injury, and the injury site is in the red zone or red-white junction area, it can heal after treatment. Therefore, for meniscus injury of degree I or II, it is expected that the meniscus injury will repair itself and restore the normal function of the meniscus by increasing high-protein nutritional food, reducing weight-bearing on the joints and training the strength of the muscles around the joints to enhance the stability of the knee joint and reduce the wear and tear of the knee joint.