This qualitative study sought to explore toddler teachers' emotions that emerge from their various relationships in two-year-old classrooms. 13 teachers who were working with toddlers in child care centers in Seoul, Incheon, and Gyeong-Gi providence were invited to participate in this study, and data were collected through in-depth interviews. The overall findings of this study are as follows. First, toddler teachers had not only feelings of pleasure and reward but also feelings of difficulties and being at a loss in their relationships with toddlers. Second, toddlers teachers felt satisfaction and worth of their work, but also felt difficulties and burdened in their relationships with toddlers' parents. Third, toddlers teachers felt satisfaction, subtle complications, and discomfort in their relationships with their principals and other teachers. Implications of the results were discussed, highlighting the necessity for understanding toddler teachers' work and for supporting their work.