Possible sequelae of discoid meniscus surgery include joint stiffness, muscle atrophy and infection. 1. Joint stiffness: If there is no timely rehabilitation training after the surgery and lack of activity for a long time, joint stiffness, difficulty in movement, pain and other symptoms may occur. 2. Muscle atrophy: after discoid meniscus surgery, you need to wear a knee brace to avoid weight-bearing of the affected limb, and the lack of activities for a long time may cause muscle atrophy of the lower limbs and symptoms of weakness of the lower limbs. 3. Infection: Surgery has a certain chance of infection of the surgical port, and after infection, there are symptoms such as fever, redness, swelling and pain in the surgical port. Discoid meniscus surgery has a certain possibility of sequelae, but the chance of occurrence is small, it is recommended that under the guidance of the doctor, combined with their own situation for treatment.