Recurrent knee traumatic synovitis can be treated with general treatment, medication, puncture and fluid extraction, surgery and so on. 1. General treatment: you can reduce the activities appropriately to reduce the load on the knee joint. 2. Drug treatment: If the knee pain is more obvious, you can take oral non-steroidal anti-inflammatory drugs, such as acetylchlorophenic acid extended-release tablets for anti-inflammatory and pain relief, and you can also carry out local drug closure treatment, such as trimethoprim and lidocaine. 3. Puncture and fluid extraction: If there is a lot of fluid in the joint cavity and the knee joint is obviously swollen, a syringe can be used to extract the fluid from the joint cavity. 4. Surgery: If the knee pain is recurring, conservative treatment has no obvious effect and seriously affects daily life, surgery can be considered to clean the joint cavity and synovium with the assistance of arthroscopy. Repeated episodes of traumatic synovitis of the knee joint, it is recommended to consult a doctor in time, under the guidance of the doctor’s diagnosis and treatment, and the above medications should also be used under the guidance of the doctor.