['rheumatoid arthritis']
['t0001', 't0001', 't0001', 't0001', 'enbrel']

        Inclusion Criteria:

          -  Age 18-45 years old;

          -  Diagnosed with active RA;

          -  DMARDs therapy must not be used for at least 28 days prior to baseline;

          -  If a patient has received NSAIDs，current NSAIDs therapy must have been at a stable
             dose for at least 28 days prior to baseline;

          -  Patient or patient's legal representative able to give written informed consent for
             participation in the trial.

        Exclusion Criteria:

          -  Acute or chronic infection, or history of active tuberculosis;

          -  History of diseases of central nervous system, cardiovascular system, kidney, liver (
             specified liver function index), digestive system, respiratory system , metabolism
             system;

          -  Patients who have a high risk of infection (with a current infectious disease, a
             chronic infectious disease, a history of serious infectious disease);

          -  Patients who use 5 Unit doses tuberculin skin test are positive( 48-72 hour scleroma
             reading≥5mm);

          -  Patients who currently have, or who have a history of, malignancy;

          -  Patients who lack of understanding ,communication or collaboration, and can't comply
             with the protocols;

          -  Female patients who are breastfeeding or pregnant, who are of childbearing potential.
      