Objective To investigate the relationship among knowing-rate of feeding knowledge and society-demology factors and feeding behavior for the infant in order to provide reference for the education and nursing intervention.Methods 525 feeding persons (feed children ＜2 year-old ) in 5 districts (25 communities) of Changchun were investigated.After having got their agreement, interview was performed face to-face to investigate their knowing-rate of feeding knowledge and attitude and behavior.Results The group of parents as feeders showed higher recognition on breast-feeding and reasonable complement food adding, the highest correct recognition rate about the two aspects above were 91.3%and 85.9% respectively.The recognition on breast-feeding and reasonable complement food adding was significant difference between the feeders with various occupations (P＜0.05 ).The feeders learning feeding knowledge initiatively showed higher rate of knowing knowledge about scientific feeding than those passively.Conclusions Health education on infant feeding in community should be strengthened according to the feeding person's education background and career.