The length of hospitalization for meniscus surgery needs to be combined with comprehensive decision-making, such as recovery and surgical methods, and varies from person to person. In general, the hospitalization is 3~10 days, and can be extended to half a month or longer for some patients. Meniscus surgery is mainly minimally invasive meniscus repair under knee arthroscopy, meniscoplasty, meniscus suture, meniscus replacement and other surgeries, nowadays open surgery is rarely done. Usually the hospital stay is 3 to 10 days, which can be extended to half a month or longer if the wound becomes infected or the swelling and pain do not subside. The exact length of hospitalization for meniscus surgery needs to be consulted with a doctor and judged under his or her supervision according to the patient’s condition.