本文作者在长春市城区选取２所有代表性小学１～６年级（７～１２岁）儿童５０９６人，进行单纯性肥胖症调查，患病率为１１．７７％，男童患病率为１５．０７％，女童为８．３２％；尤以７～１１岁儿童患病率高；男童患病率明显高于女童。男、女童肥胖症比较也有明显差异。单纯性肥胖症不仅影响儿童身体健康，而且学习成绩也差。因此应引起全社会的重视。 The authors selected 2,506 children from 1 to 6 years old (7 to 12 years old) from 2 representative primary schools in urban area of ​​Changchun City to conduct a survey of simple obesity with a prevalence of 11.77% and a prevalence of 15 for boys. 07%, and 8.32% for girls; especially children aged 7 to 11 have a higher prevalence; boys have a significantly higher prevalence than girls. Obesity men and girls, there are also significant differences. Simple obesity not only affects children’s health, but also poor academic performance. Therefore, it should arouse the attention of the whole society.