Most iron-deficiency anemias are very easy to treat, and most patients quickly return to normal hemoglobin after giving supplemental oral iron. In addition to taking iron supplements, taking vitamin C in combination at the same time can accelerate the absorption of iron and promote the recovery of iron deficiency anemia. During the period of taking iron supplements, pay attention not to drink milk and tea, which can affect the absorption of iron. Iron deficiency anemia is mainly to get rid of the cause of the disease, otherwise iron deficiency anemia is recurring or will miss some serious diseases. If it is young and middle-aged female patients, most of the common causes are excessive menstruation, some usually do not like to eat meat or have bleeding hemorrhoids. Iron deficiency in adolescents may be caused by not eating enough iron-containing foods. It is especially important that older people who develop iron deficiency anemia need to have their digestive tracts examined to prevent missing iron deficiency anemia caused by digestive tract tumors or peptic ulcers, for example.