Meniscus injuries are not self-healing and need to be treated as early as possible to avoid aggravation of the meniscus injury and to restore the integrity and stability of the meniscus as soon as possible. Meniscus injury usually refers to the integrity and stability of the meniscus has been damaged, can not be self-healing, as soon as possible to restore the stability and integrity of the meniscus is the key to treatment. The main clinical treatment for meniscus injury is surgery, which usually requires preoperative treatment to clarify the location and type of meniscus injury, such as arthroscopic examination, etc., to comprehensively determine whether meniscus repair can be performed. Surgery mainly includes arthroscopic meniscus molding, meniscus suture, meniscus transplantation and so on. It is recommended to consult the doctor in time and standardize the treatment under the doctor’s guidance when meniscus injury occurs.