Early childhood development is crucial for the quality of life in a person’s life, and providing targeted and responsive care at different stages of development from 0 to 3 years old is an important aspect of ensuring the quality of early childhood development. This study selected three households with infants and young children aged 0-1, 1-2, and 2-3 in S area for continuous observation for three days. From the perspectives of themes, methods, strategies, and effects of parents’ response to infants and young children.In order to find out the characteristics and problems of parents’ response behavior, and from the concept of response feeding, put forward optimization suggestions.