Gout is a chronic metabolic disorder disease caused by abnormal purine metabolism. The main examination items are as follows: 1. Routine examination: Routine examination can provide a comprehensive understanding of human health status, including blood picture, urine and stool routine, liver and kidney function, ultrasound, electrocardiogram or chest X-ray, and patients who have the conditions should try to have regular routine examination; 2. If you want to confirm the diagnosis, you must do some necessary examinations, including the involvement of joint X-ray examination, because acute gouty arthritis in the early stage only shows asymmetric swelling in the joint, and often recurrent, there will be breakage and destruction of the cartilage surface of the joint, the joint surface often has some irregular clinical manifestations, these can be found through X-ray; 3, has formed synovial fluid or gout stone examination: synovial fluid examination helps to determine the diagnosis or check whether there is infection, or whether it is pseudo Gout. Gout stones on the surface of the body of gout patients that is, gout stones, gout nodules swelling contains some urate crystals, can be punctured, the extraction of white toothpaste-like urate crystals, under the microscope can be needle-shaped birefringence characteristics, can also be used to confirm the diagnosis of uric acid, and for some special uric acid crystals, can do special chemical identification; 4, blood uric acid test: elevated blood uric acid is the most direct diagnosis of gout Blood uric acid test: elevated blood uric acid is the most direct laboratory evidence for the diagnosis of gout, and it is also one of the necessary conditions for confirming the diagnosis, so blood can be drawn to test the blood uric acid level; 5, other tests: the pH of urine should be checked, because if the urine is acidic, it is not conducive to uric acid excretion. Ultrasound examination of both kidneys, urine routine, kidney function and kidney biopsy can be done to understand the nephropathy after gout; blood and biochemical examination, including liver and kidney function, blood sugar, blood lipids, electrolytes, etc., can understand whether the medication can be used safely.