It takes about 2 to 3 weeks for a synovitis patient to recover from surgery, and the exact time varies from person to person and cannot be generalized. Synovitis is a joint lesion with inflammatory changes in the synovium caused by trauma, infection and other causes. Synovitis surgery is mainly carried out under the arthroscope, through the arthroscope to carry out the removal of lesions, the removal of substances including exudates, deposits, neoplastic and inflammatory synovial membrane, etc. Under normal circumstances, the patient after the surgery generally take 2 to 3 weeks to recover, the specific time varies from person to person, each person’s wound healing ability is not the same. Synovitis surgery should also be accompanied by the placement of tubes to flush drainage, to help control bleeding and reduce the occurrence of postoperative adhesions, the flushing fluid can be added to the drugs (such as epinephrine). Patients with synovitis are advised to have regular follow-ups after surgery, and to follow the doctor’s instructions for exercise therapy (e.g., swimming) and functional joint exercises (e.g., extension and flexion exercises), which will help their condition recover.