What are the symptoms of rheumatoid arthritis? This is the most important issue that rheumatoid arthritis patients want to know, how to determine whether they have suffered from rheumatoid arthritis, its performance symptoms is one of the important indicators, can not be sloppy careless. 1, joint swelling: all involved joints can appear swollen, joint swelling suggests a heavy inflammation. The typical manifestation is a uniform swelling around the joint, such as a pike swelling of the proximal interphalangeal joint. Joint swelling is most easily detected in the small joints of the extremities, while swelling in large joints such as the shoulder and hip is not easily detected. 2. Joint pain and pressure: The majority of patients start with joint swelling. The swelling is caused by increased exudate in the joint cavity and inflammatory changes in the soft tissues around the joint, which manifests as uniform swelling around the joint, and pyknotic swelling of the proximal finger joints is one of the typical symptoms of rheumatoid patients. The severity of joint pain is usually parallel to its degree of swelling, the more pronounced the swelling of the joint, the more severe the pain, or even severe pain. 3, joint friction sounds: rheumatoid arthritis period, movement of the joint when the examiner’s hand can often feel a small twang or a sense of snow grip, typical of the elbow and knee joints, which indicates the presence of inflammation of the joint. After the inflammation of some joints has subsided, moving joints can be heard or touched by a rattling sound, which is most obvious in the finger and knee joints, hip joints, may be rheumatoid with osteophytes. 4, morning stiffness: more than 95% of patients have morning stiffness of the joints. Morning stiffness refers to the diseased joints at night after resting, and in the morning there is a longer period of stiffness and limited movement of the affected joint. Morning stiffness is often the first symptom of joint involvement, mostly preceding joint pain, and in severe cases, stiffness can occur in all joints. Morning stiffness can be reduced or disappeared with activity or warmth after getting up. Morning stiffness is often accompanied by coldness and numbness in the extremities or fingers (toes).