糖尿病是一种慢性全身性疾病 ,也是一种常见病、多发病。随着人民生活水平的提高和饮食结构的变化 ,糖尿病的发病率逐年增高 ,已成为继心血管疾病和肿瘤之后 ,威胁人类健康的第三杀手。据１９９８年全国健康普查 ,我国糖尿病发病率为２ ５ % ,有近３０００万患者。因此 ,第１５ Diabetes is a chronic systemic disease, but also a common disease, frequently-occurring disease. With the improvement of people’s living standards and changes in diet, the incidence of diabetes is increasing year by year and has become the third killer threatening human health after cardiovascular diseases and tumors. According to the 1998 National Health Census, the incidence of diabetes in China is 25%, with nearly 30 million patients. Therefore, the fifteenth