Adolescence had tendency of advance and shortening.Compare to 1995, the rate of normal nutrition decreased significantly, and the prevalence of obesity, overweight and malnutrition increased.

• 城、乡儿童少年的身高生长虽然有快慢之分，但最终达到同一水平青春期有提前和缩短的趋势与1995年相比，营养正常率显著下降，肥胖和超重比例显著上升营养不良率有上升趋势。