肥胖是机体脂肪细胞数量增加或体积肥大导致体重超过标准体重 2 0 %以上的病理状态。它已成为现代社会中最常见的营养障碍性疾病 ,在发达国家呈逐年上升的趋势。由于肥胖增加了心脑血管疾病、糖尿病、高血压、高脂血症及癌症的发病率 ,因此 ,目前已成为重要的公共健康问题。然 Obesity is an increase in the number of body fat cells or volume hypertrophy lead to more than 20% of body weight over the standard pathological state. It has become the most common malnutrition disorder in modern society, and it shows a year-by-year rising trend in developed countries. As obesity increases the incidence of cardiovascular and cerebrovascular diseases, diabetes, hypertension, hyperlipidemia and cancer, it has now become an important public health issue. Of course