Science and mathematics are abstract speculative disciplines, while technology, engineering and art are applied disciplines close to real life. Integrating the knowledge of these subjects is conducive to stimulating students' interest and enhancing their understanding of knowledge. It is conducive to improving students' knowledge structure and way of thinking, cultivating students' innovative thinking and creative ability, thus laying a foundation for promoting students' all-round development and personality development and meeting the needs of economic, social and scientific and technological development for diversified talents. STEAM education makes us rethink the essence of education, which has important enlightenment and guiding significance for the teaching reform of basic education in China.