To investigate the height, weight and nutritional disease and common diseases and faults occur rate of preschool children in Yangzhou city, provide a basis for improvement of children's health care work.Methods:Using the a unified instrument and method of Yangzhou city 17,704 preschool children in 41 kindergartens measurement of height and weight, and blood and tooth decay, eye defect inspection and comparison with 2008, 2010, 2011.Results:The children's height and weight of the middle and higher compliance rates were 77.96% and 78.62%, boys were 79.11% and 80.03%, girls 76.81% and 77.22%, respectively, boys significantly higher than girls, and the difference has statistical significance,P <0.01. In the range of 2~5 years old age, men, girls' height, weight compliance rate on a downward trend, and the difference was statisticaly significant (P <0.01). Chlamydia obesity prevalence was 9.94%, 7.64%, Caries 40.60%. Obesity, caries have some upward trend.Conclusion:The growth and development of children wel, obesity, dental caries prevalence is higher, should pay atention to strengthening child health.