After getting up in the morning joint stiffness, pain may be caused by the following diseases: First, if after getting up in the morning is the small joints of the fingers produce stiffness, pain symptoms, consider that may be caused by rheumatoid arthritis. Because rheumatoid arthritis will violate the smaller joints, especially the finger joints, and will also lead to obvious morning stiffness. Second, if you get up in the morning is knee joints, hip joints, ankle joints and other larger joints stiffness, pain, consider the possibility of rheumatoid arthritis caused by rheumatoid arthritis, because rheumatoid arthritis invades the larger joints more. When there are two of the above conditions, there is another disease at the same time, which is ankylosing spondylitis. Ankylosing spondylitis invades the sacroiliac joints and the spine first, so stiffness and pain in the two joints mentioned above should be considered as a possibility of ankylosing spondylitis.