Whether anemia can be supplemented or not is related to the type of anemia, some types of anemia can be supplemented by food, and some types of anemia can not be supplemented by food. The anemia that can be supplemented by dietary supplements are iron deficiency anemia and megaloblastic anemia, and mild anemia can be supplemented by dietary supplements, while moderate anemia needs treatment. 1. Iron deficiency anemia: mainly due to iron deficiency caused by a group of anemic diseases, the treatment is mainly iron supplementation therapy, including food iron and drug iron supplementation. Food iron supplement can eat more iron-rich food, such as blood products, animal liver, lean meat and so on. 2. Megaloblastic anemia: mainly due to the lack of folic acid and vitamin B12 caused by a group of anemic diseases, the treatment is based on supplementation of folic acid and vitamin B12, including dietary supplementation and drug supplementation. Dietary supplement can eat more food rich in folic acid and vitamin B12, such as animal liver, fresh vegetables and so on. When anemia-related symptoms occur, such as pale skin and mucous membranes, dizziness, etc., it is recommended to consult a doctor in a timely manner to identify the type of anemia, and then choose the appropriate treatment under the guidance of the doctor, rather than blindly relying on dietary supplements to correct anemia.