肥胖是一种身体内脂肪过度蓄积以致威胁健康的慢性疾病。一般用体重指数 (BMI)和腰围来定义肥胖的程度。WHO规定BMI≥ 2 5kg/m2 为超重 ,BMI≥ 30kg/m2 为肥胖 ;腰围男性≥ 10 2cm、女性≥ 88cm为内脏性肥胖。近年来大量研究表明 ,肥胖不仅导致高血糖、高血脂和高血压 ,而且与 Obesity is a chronic disease in which body fat accumulates so much that it can be a threat to health. Body mass index (BMI) and waist circumference are commonly used to define the extent of obesity. WHO provides BMI ≥ 25kg / m2 for overweight, BMI ≥ 30kg / m2 for obesity; waist circumference male ≥ 10 2cm, female ≥ 88cm for visceral obesity. In recent years, a large number of studies have shown that obesity not only leads to hyperglycemia, hyperlipidemia and hypertension,