Objective To study the feeding behavior for 9-month-old infants in Gaobeidian community of Chaoyang district,Beijing,and to explore the problems of feeding practice for infants in the community. Methods A cross-sectional survey was observed in 529 children aged 9 months using the standard questionnaire of Multiple Indicator Cluster Surveys four (MICS4)which was developed by the United Nations children's fund (UNICEF),and the 8 indicators for assessing infant feeding practice were analyzed. Results In the survey area,the rate of early initiation of breastfeeding was 64.9%.The rate of continued breastfeeding at 9 months was 92.5%.The rate of reasonable feeding (infants under 6 months old were exclusive breastfeeding and 6~9 months old infants were breastfeeding adding a side dish) was 75.0%.The rate of introduction solid,semi-solid or soft foods and minimum dietary diversity was 64.1%.The rate of frequency introduction of solid,semi-solid or soft foods and minimum dietary diversity at 9 months breastfeeding infants was 17.6%,while the rate of frequency introduction of solid,semi-solid or soft foods and minimum dietary at 9 months complementary feeding infant was 14.2%. Conclusions The overall situation of breast feeding for infants in the researched area is good.However,there are still problems in complementary feeding should be paid attention,such as,the diversity of complementary food or the frequency of feeding is insufficient.