From the perspective of educational neuroscience,preschool teachers promote deep learning for preschool children,which helps to promote the development of preschool children's advanced cognition and active inquiry abilities.However,due to the lack of relevant courses,social absolute concepts and wrong teacher education modes,there are some problems in applying educational neurology research results in preschool children,the deification of educational neurology,and the lack of scientific methods.To guide the preschool teachers science to promote preschool deep learning,schools should put forward before and after employment education neurology courses,set up the correct children's brain development education concept,form the learning mechanism of education neuroscience,help preschool teachers to promote the knowledge of deep learning theory,master to promote preschool children deep learning scientific method,in order to actively promote preschool deep learning.