儿童或单纯肥胖症是除外由遗传性、代谢性疾病、外伤或其它疾病所引起继发性、病理性肥胖，而单纯由于营养过度所造成的全身性脂肪过量积累。目前儿童单纯肥胖症有逐年增多的趋势，已成为二十一世纪影响儿童期健康的一个重要问题，日益引起国内外学者的关注为此我们对北京市区2 Child or simple obesity is the systemic excess accumulation of fat that results from secondary, pathological obesity other than inherited, metabolic, traumatic or other diseases, simply due to overnutrition. At present, children with simple obesity have a trend of increasing year by year, which has become an important issue that affects the health of children in the 21st century and has drawn increasing attention from scholars at home and abroad. Therefore,