Gout is a kind of disease caused by prolonged purine metabolic disturbance. The hyperuricemia is caused by the increase of uricopoiesis or hypoeccrisia of uric acid. And the uric acid will deposit in the joint, cartilage and kidney in the forms of sodium salt. Then the inflammatory reaction of foreign matter in tissues will be caused, which is called the gout. It belongs to one kind of the arthritis.