Objectives The purposes of this study were seek to explore the transformative capabilities of prospective early childhood teachers through early childhood education field practice experiences. Methods The study was conducted using qualitative research methods, and the participants were 15 pre-service early childhood teachers from K University in Gyeonggi-do. Data were collected through play observation records and reflection sheets in 3-, 4-, and 5-year-old classes, and the collected data was divided into high and low categories based on the extracted key keywords and qualitatively analyzed to derive results. Results The transformative competencies of prospective early childhood teachers through field practice were, first, respecting children with a loving heart and attitude as a basic competency, discovering personality and aptitude as an early childhood teacher, and establishing a teaching perspective with expectations of becoming an early childhood teachers. Second, the ability to understand the field was found to be overcoming fear and tension by understanding the field and learners, understanding the teacher's role by integrating knowledge and technology, and acquiring practical knowledge through decision-making in dilemma situations. Third, future response capabilities included practicing adaptability and flexibility according to change, establishing sensitivity to various perspectives through a sense of community, and utilizing information technology by incorporating ideas. Conclusions In order to improve the transformative capabilities of prospective early childhood teachers, the need for a practical program that allows students to experience learning through educational service experience and subject matter connection linked to daycare centers and kindergartens was discussed.