When faced with some patients who are not rheumatoid arthritis are diagnosed as rheumatoid arthritis and use certain toxic drugs that bring undesirable side effects; when faced with some rheumatoid arthritis due to early not timely diagnosis, regular and effective treatment, resulting in joint deformation and disability, life can not take care of themselves, we all feel immense regret, as rheumatologists have the responsibility to raise patients or prospective patients on rheumatoid As rheumatologists, it is our responsibility to raise awareness of rheumatoid arthritis among patients and prospective patients to prevent this evil from happening. ”Do I have rheumatoid arthritis?” This question is also a frequent question asked by rheumatologists during outpatient visits, so what is rheumatoid arthritis? What symptoms should be seen in the rheumatology department? 1. pain and especially swelling in one of the joints of the extremities, such as the finger joints of both hands, both wrists, both elbows, both shoulders, both knees, both ankles and both toes; 2. morning stiffness of both hands or one of the finger joints; 3. increased or positive rheumatoid factor, C-reactive protein (abbreviated as CRP), blood sedimentation, anti-cyclic citrullinated polypeptide antibodies (abbreviated as anti-CCP antibodies), and anti-nuclear antibodies when checked in the hospital; 4. Pain in one or several joints of the extremities in cold and damp; 5. Pain in the temporomandibular joint in front of the ear when eating and restricted mouth opening; 6. Nodules felt near the elbow joint or other joints; 7. Unexplained interstitial fibrosis or interstitial pneumonia, often manifested as shortness of breath after activity and dry cough; 8. Unexplained anemia.