The healthy dietary behavior of preschool children refers to the behavior or intention of behavior of preschool children taking all kinds of nutrition balanced and scientific to maintain activities of life and to promote physical and mental health.

As the researchers of dietary culture,we should focus on the core field of healthy diet,enrich the healthy diet with scientific thoughts and put forward more health theory and healt.

The results show that the nutrition state of these university students is in a good condition, and most of their average consumption per month is between 200 and 400 yuan, but they still commonly lacks the related knowledge and way in obtaining healthy diet.

Halberd healthy diet and cancer prevention has become a modern human society the most concern, a person's health can not be separated from food, my diet rich cultural heritage, "Fresh-homologous" in the view of civil Widely circulated, if at applications, will be on people's health play important role in this paper on a healthy diet and cancer prevention issues were discussed.

The purpose of this study was to explore the influence factors of children’s dietary behaviors deeply, as well as the correlation between the behaviors and health, so as to provide scientific bases to help children reduce ill dietary habits , develop sound meal structure and promote normal growth.