Using the knowledge graph visualization analysis software CiteSpace,data analysis was carried out on the Chinese literature on teacher ethics research of preschool teachers from 2012 to 2022 included in the CNKI journal article database,and the co-occurrence map and cluster map of high-frequency keywords in the literature were drawn.In the past 10 years,the trend of domestic research on preschool teachers'morality has gradually slowed down.The research hotspots are distributed in rural preschool teachers,the construction of teachers'morality and the new era,etc.The research frontier focuses on the influencing factors of teacher's morality,the construction of teachers'morality and the new era.etc.