Foot pain and swelling may be caused by excessive exercise, or gout, rheumatoid arthritis and other diseases. 1. Excessive exercise: because of prolonged standing or walking can easily lead to poor blood circulation in the feet, and then there will be foot pain and swelling performance, generally can be relieved after rest. 2. Gout: the cause of this disease is not clear, but with hyperuricemia, taking drugs that increase uric acid levels, excessive purine intake, heavy alcohol abuse and other reasons. Typical symptoms are redness, swelling and elevated skin temperature in the affected joints. Therefore, some patients will have foot pain and swelling. 3. Rheumatoid arthritis: Studies have shown that this disease is related to heredity, autoimmune disorders, microbial infections, smoking and other causes. Generally in the early stage of the disease, the patient’s hands and feet will appear swelling, pain and other symptoms. Secondly, before that, the patient will also experience symptoms such as low-grade fever and malaise that lasts for several weeks. If foot pain and swelling are ruled out as normal causes, the patient needs to go to the hospital in a timely manner to clarify the specific cause of the disease and then follow the doctor’s instructions for treatment.