The purpose of this study was to develop a portfolio model and assessment criteria for kindergarten teachers. This study was carried out by a research procedure that reviewed precedent studies, consulted with kindergarten teachers and professors, constituted a draft of a portfolio model and assessment criteria for kindergarten teachers, studied kindergarten teachers’ needs for a portfolio model and assessment criteria, and implemented a portfolio model. And then, researchers consulted with kindergarten teachers and professors again about the contents of a portfolio model, and revised a portfolio model and assessment criteria for kindergarten teachers. The portfolio model for kindergarten teachers contained 5 goals, 6 domains, 16 assessment contents, a 1 year period, 4 procedures, and assessors. The assessment criteria for kindergarten teachers contained 7 domains, 20 assessment contents, and 42 criteria.