Iron deficiency anemia eating black beans may have a certain effect of blood replenishment, but it does not achieve the therapeutic effect of cure. 1. Although black beans contain plant iron, which can have a certain effect of iron supplementation for patients with iron deficiency anemia, the iron content in black beans is not very rich, and animal iron is richer and more easily absorbed than plant iron. 2. Iron deficiency anemia may be caused by long-term malnutrition, menstruating women, pregnant women, chronic blood loss and other factors, in the treatment process need to actively treat the primary disease while supplementing iron, such as ferrous succinate. Iron deficiency anemia has a long treatment cycle, should be taken on time and according to the amount of iron at the same time to adjust the dietary structure, such as eating more pig liver, fresh vegetables, etc., through food supplementation can play a supplementary role, but still should be the main drug treatment. It is recommended to adjust the diet structure under the guidance of the doctor and actively cooperate with the doctor’s medication at the same time.