缺铁性贫血是一种全球范围内的常见病。在任何年龄和各种经济状况的人群中均有发病。但多见婴儿、儿童、妇女及贫穷人群。据世界卫生组织(WHO)2002年资料显示:目前全世界铁缺乏人数可达20亿。占世界人口的30%。我国孕妇、儿童、青少年和育龄妇女缺铁性贫血患病率分别为20%、35.1%、30%和15%,远远高于西方发达国家。近年来,老年人群缺铁性贫血明显升高,大约5%～7%的60岁以上老年 Iron deficiency anemia is a common disease worldwide. Disease occurs in people of any age and economic status. However, infants, children, women and poor people are more common. According to the World Health Organization (WHO) in 2002, the number of iron deficiency in the world is currently up to 2 billion. 30% of the world’s population. The prevalence of iron deficiency anemia among pregnant women, children, adolescents and women of childbearing age in our country is 20%, 35.1%, 30% and 15% respectively, much higher than that of western developed countries. In recent years, the elderly population significantly increased iron deficiency anemia, about 5% to 7% of the elderly over the age of 60