糖尿病肾损害是糖尿病合并症之一，据国外报道其发生率占糖尿病病人的４０％～５０％［１］。其肾脏损害主要有几种形式：①肾盂肾炎；②肾血管病变；③肾微血管病变，又称糖尿病肾病（属糖尿病患者所特有）。根据Ｍｏｇｅｎｓｅｎ建议［２］，将糖尿病肾脏受累分为五期：①早 Diabetic kidney damage is one of the complications of diabetes, according to foreign reports its incidence of diabetes accounted for 40% to 50% [1]. There are several forms of its renal damage: ① pyelonephritis; ② renal vascular disease; ③ renal microvascular disease, also known as diabetic nephropathy (which is unique to patients with diabetes). According to Mogensen recommendations [2], the diabetic kidney involvement is divided into five phases: ① early