目的探讨老年人缺铁性贫血的病因诊断的重要性。方法对40例缺铁性贫血的老年住院患者的临床资料进行回顾性分析。结果 40例缺铁性贫血的老年患者入院后经进一步检查,均发现有原发病的基础,其中以消化道肿瘤最多见。结论对于缺铁性贫血的老年患者,应积极寻找病因,以免延误病情。 Objective To investigate the importance of diagnosis of iron deficiency anemia in the elderly. Methods The clinical data of 40 elderly hospitalized patients with iron deficiency anemia were retrospectively analyzed. Results 40 cases of elderly patients with iron deficiency anemia after admission were further examined, found that the basis of the primary disease, of which the most common gastrointestinal cancer. Conclusion For elderly patients with iron deficiency anemia, the cause should be actively sought to avoid delay in disease progression.