Early morning stiffness and swelling of the fingers activity for a while well may be caused by rheumatoid arthritis, joint activity reduction, gouty arthritis and other reasons. 1. Rheumatoid arthritis: rheumatoid arthritis is an autoimmune disease that can cause inflammatory exudation of arthritis, resulting in stiffness, edema, swelling and pain in the joints, and generally the above symptoms will be relieved after the activity. 2. Reduced joint activity: Reduced joint activity will cause edema and congestion of the tissues around the joints, resulting in muscle tension, stiffness and discomfort, which generally disappears with activity. 3. Gouty arthritis: gouty arthritis is mainly due to high blood uric acid caused by elevated uric acid will lead to the formation of uric acid crystals in the joints of soft tissues, the crystals of long-term deposition will erode the bones, which appeared in the morning finger stiffness, swelling and pain. It is recommended to go to the hospital to further improve the examination, under the guidance of the doctor to clarify the diagnosis, and give standardized treatment in a timely manner.