目前 ,我国城市儿童肥胖检出率已接近发达国家。有研究指出 ,少年肥胖者对将来成年后的生理功能有影响 ,且为某些成人疾病如高脂血症、冠心病、糖尿病等的危险因素。为探讨与儿童单纯性肥胖发生有关的饮食因素 ,笔者采用 1∶1配对的方法 ,进行了调查。1　对象与方法用随机整群 At present, the detection rate of urban children’s obesity in China is close to that of developed countries. Some studies have pointed out that juvenile obesity will have an impact on the future physiological function of adults, and for some adult diseases such as hyperlipidemia, coronary heart disease, diabetes and other risk factors. To investigate dietary factors associated with simple obesity in children, the authors used a 1: 1 paired approach to investigate. 1 objects and methods with a random cluster