1, a brief history: focusing on age, sex, blood pressure, and whether edema; 2, quantitative results of 24-hour urine protein, urine erythrocyte morphology; 3, serum creatinine, lipids, albumin, and albumin aminotransferase; 3, routine blood; 4, kidney size; 5, preferably renal biopsy pathology results; 6, patients with lupus will also need the results of ANA titer and complement C3C4; 7, hepatitis B-positive patients will need the results of quantitative DNA viral results; 8, and others.