At present, it is believed that the self-testing tool for uric acid is unreliable. Measurement of uric acid can assist in the diagnosis of gout, nephritis, hyperuricemia and other diseases, clinical measurement of uric acid is mainly through the blood test, it is not recommended to self-testing, and at present there is no tool that can accurately and reliably self-testing of uric acid. In order to ensure the accuracy of the test results, patients should go to a regular hospital to measure uric acid, three days before the test should be a reasonable diet, avoiding intake of food with high purine content. Because diet will have an impact on the blood uric acid test value, therefore, the day of the test, patients should maintain a fasting state. Patients should actively go to regular hospitals for testing and avoid abusing the testing method, so as to avoid inaccurate results, which will affect the control and treatment of the disease.