Clinical practice confirms high frequency of anemic syndrome. Anemia is diagnosed more often in senior patients than on the average. The most prevalent type of anemia in senior groups are iron deficiency anemia and B12-deficiency anemia, anemia of chronic diseases and anemia caused by kidney diseases. The cause of anemic syndrome in 25% of senior patients remains unclear. Anemia leads to impairment of life quality, increased morbidity and mortality in senior people except for patients with anemia of unknown origin.