Abstract
OBJECTIVES: to analyze an educational intervention with primary care healthcare professionals on promoting child development based on the health literacy framework. METHODS: participatory health research, conducted in four stages. The sample consisted of 13 primary care healthcare professionals working in child health surveillance in the municipality of Passira, state of Pernambuco. The intervention took place through workshops. Data analysis was followed according to the stages proposed by Yin. RESULTS: changes and knowledge were identified. Professionals adopted care actions focused on important aspects of early childhood and improved communication with parents/caregivers through the application of health literacy principles. FINAL CONSIDERATIONS: the importance of continuing education in primary care is demonstrated, suggesting the need for further research to strengthen public policies and professional practices within the Brazilian Health System.