: Health personnel must provide continuous support in response to problematic results from health checks of infants and toddlers (hereinafter “infant[s]”). Among this support, it is important for health personnel to provide nutritional guidance to families as a collaborative effort between the staff from multiple disciplines and community organizations. | Multi-professional meetings on health checks and communication in providing nutritional guidance for infants and toddlers in Japan: A cross-sectional, national survey-based study