Hip joint effusion for one year is not good, if the traumatic synovitis feasible arthroscopic treatment, if the rheumatoid arthritis need anti-rheumatic drug treatment. 1. traumatic hip synovitis: hip synovitis is less common than knee synovitis, if hip synovitis causes joint effusion for a year, generally indicates that the synovitis is more serious, the effect of conservative treatment is unsatisfactory, the need for arthroscopic surgery, microscopic radiofrequency treatment of synovial hyperplasia, and thus reduce joint effusion and synovial inflammation. 2. Rheumatoid hip arthritis: for long-term rheumatoid hip arthritis caused by joint effusion, anti-rheumatic drug treatment is needed to reduce joint effusion and reduce the damage to cartilage, anti-rheumatic drugs such as leflunomide tablets, cyclophosphamide, azathioprine, etc., such drugs need to be taken under the guidance of a doctor. Hip joint effusion one year is not good need to go to the regular hospital as soon as possible for systematic examination and treatment, do not delay the treatment time.