Abstract:In recent years, STEM education has gradually become a major trend in future education. Preschool STEM education, which is its core topic, has also received increasing attention. So how to implement interdisciplinary learning in STEM education activities for preschool children has become a new challenge for educators. The NSF-funded Connect4Learning (C4L) advocates four areas of learning: Mathematics, Science, Language and Literacy, and Social-Emotional Development, providing new ideas and approaches for landing STEM education in preschool education instruction. The purpose of this study was to comb and analyze the background, connotation characteristics and application value of C4L model, tried to explore how C4L model could be combined with the development of preschool education in China, crack the dilemma of STEM/STEAM education in preschool education, make up for the key problems such as making the nursery education primary school-oriented, children's aphasia in transition from kindergarten to first-grade school, with a view to providing effective reference and in-depth thinking on the interdisciplinary study and practice of preschool STEM education in China.