Nowadays, many people suffer from rheumatic diseases, we have more or less understanding of their diseases, rheumatoid arthritis has a great harm to the joints of our body, so we have to understand what are the symptoms of rheumatoid arthritis. 1, pain: pain in the joints is also the most common form of rheumatoid arthritis symptoms, joint pain can occur, but the limbs and trunk pain, and may be the cause of internal organs and neurological disease. 2, joint involvement: often starts with small joints in the distal extremities, and later involves other joints. The systemic manifestations are fever, fatigue, weight loss, neuropathy, pericarditis, eye lesions, arteritis, etc. 3.Joint swelling: this kind of symptom is the most common in rheumatic diseases. 4.Joint deformity and dysfunction: This condition mainly refers to the loss of normal appearance of the patient’s joints, in addition to its range of motion will also be limited to a certain extent, the metacarpophalangeal joint of the hand has ulnar deviation, joint subluxation, etc. 5.Multiple joints are involved: the metacarpophalangeal joint or interphalangeal joint is often involved, followed by the knee joint. 6.Morning stiffness: After waking up in the morning, there is stiffness of the joints or a feeling of general tightness. The difference with the morning stiffness of other joint diseases is that the morning stiffness of rheumatoid is typical, frequent and long-lasting.