Food education has a unique value and necessity in promoting children's physical and mental development.3-6 years old is a critical period for developing good dietary habits.At present,the implementation of early childhood food education has become marginalized and fragmented.As a healthy model for behavior development,the knowledge,belief,and action model has a unique behavior education model that conforms to the laws and characteristics of early childhood education,and plays a supporting and guiding role in promoting the development and improvement of early childhood food education.