肥胖是当代发病率日益增高的一个流行病。2004年10月卫生部公布我国成人超重和肥胖人数已分别为2亿和6000多万,大城市成人超重率与肥胖率分别高达30·0%和12·3%。肥胖是许多疾病的起源,它常诱发代谢综合征、糖尿病、心血管疾病及肾脏病。肥胖引起的肾脏病被称为“肥胖相关性肾 Obesity is a growing epidemic of contemporary morbidity. In October 2004, the Ministry of Health announced that the number of overweight and obese adults in our country has reached 200 million and more than 60 million respectively. The overweight and obesity rates of adults in large cities are as high as 30.0% and 12.3% respectively. Obesity is the origin of many diseases, it often induced metabolic syndrome, diabetes, cardiovascular disease and kidney disease. Obesity-induced kidney disease is called “obesity-related kidney disease.”