Objective s To study the association between the prevalence of anemia condition and the impact factors relating to complementary food consumed among the 6-month-old infants,and to provide the basis for the formulation of health care strategy. Methods The full term infants with hemoglobin Results at 6-month-old were recruited.They resided in Minhang district and took physical health care services at primary health care centers.Feeding patterns,types of complementary food,physical growth condition,diseases condition were surveyed. Results The prevalence rate among the infants without complementary food consumed was higher,and there were no significant differences between the infant groups with different feeding patterns.Odd ratio of complementary food consumed more than 2 types group towards infant anemia was 50% higher than the only one type group.Baby boy,baby of nonlocal household register,birth weight lower than 2 500g or higher than 4 000g,without egg yolk consumed,without any complementary food consumed were the risk factors of infant anemia. Conclusion Knowledge and practice relating to infant complementary food consumed are supposed to be taught among the parents,especially for those whose babies have been diagnosed with infant anemia.More types of complementary food consumed can also lower the risk of infant anemia happened.