Diagnostic criteria of uric acid nephropathy mainly include history of hyperuricemia and presence of kidney injury. 1. History of hyperuricemia: the patient’s medical history can be asked to know whether there is a family genetic history of the disease, whether there is gout, and also through the renal function test and other auxiliary tests to check the blood uric acid level. Currently, blood uric acid >420μmol/L is defined as hyperuricemia. 2. Presence of kidney damage: hyperuricemia can cause kidney damage, such as the presence of mild urinary protein, uric acid stones, increased nocturia, edema, renal tubular function damage, increased blood uric acid level. If the examination found that patients with hyperuricemia and kidney damage, it is recommended to go to the regular hospital in time, under the guidance of the doctor standardized treatment.