Anemia needs to be treated according to the cause and not all anemia can be treated with vitamin supplements. The common causes of anemia are usually malnutrition, blood loss, aplastic anemia, etc. The treatments taken include general, drug, and surgical treatments. 1. Malnutrition: Iron deficiency anemia, caused by iron deficiency, can eat more iron elements, such as chicken liver, foie gras; such as megaloblastic anemia, caused by the lack of folic acid or vitamin B12, you can use folic acid or vitamin B12, you can also eat some vegetables. 2. Blood loss: blood loss due to trauma such as car accidents, which requires timely treatment of trauma and blood transfusion if necessary. 3. Aplastic anemia: It is mainly caused by bone marrow hematopoietic failure and decreased bone marrow proliferation. It can be treated by surgery such as bone marrow transplantation. If anemia occurs, it is recommended to go to the hospital in time to find out the specific cause of anemia, targeted treatment, should not blindly take vitamins, so as not to miss the condition.