Purpose: This study aimed to identify the factors affecting the quality of nursing care as perceived by mothers of hospitalized children and provide basic data for the development of nursing care quality improvement programs.Methods: The participants consisted of 167 mothers, each of whom had a child hospitalized at a specific children's hospital. Data were collected from June 22 to August 8, 2019.Results: The factors that affected how mothers perceived the quality of nursing care were the communication ability of nurses (β=.44, p<.001) and the mother-nurse partnership (β=.33, p=.001). The total explanatory power of these factors was 54.1%.Conclusion: To improve the quality of pediatric nursing care, it is necessary to improve the communication abilities of nurses and to promote partnership between nurses and the mothers of hospitalized children.