The main objective of this study was to compare and shed the light on the different issues of preschool education system and the preparation of preschool teachers in Egypt and the United States of America in order that Egypt could improve its preschool education system according to its progress, challenges, objectives and teachers' preparation. The study discussed that preschool education means educating young children before primary school in a formal setting, such as preschools, nursery schools or kindergarten environments. As known that children of today are the leaders and future policy makers of tomorrow so any shortcomings in their care and education would affect negatively their nations' future. preschools are the first institutions established for educating and taking care of young children aged from 3-6 years old. Moreover, preschool teachers have a great influence on creating the children's psychological and educational attitudes, they provide them with reading and writing skills and help them to be ready for later learning and formal education. Therefore; it is necessary to have highly qualified teachers in educational, psychological and academic fields needed in this sensitive stage. The study followed the comparative and descriptive research method, and it concluded with some recommendations to explore alternative ways for improving the Egyptian preschool education system.