The treatment of dysplastic villous nodular synovitis includes the following: 1. conservative treatment: external application of Chinese herbs and restriction of joint activities, with a treatment cycle of 1 month to repair the diseased synovium and damaged joints; 2. surgical treatment: the efficacy is more precise, including open surgery and arthroscopic surgery, open surgery is to remove the diseased synovium and remove as much diseased tissue as possible to improve symptoms and restore joint function; arthroscopic surgery is less invasive and has a faster recovery.