The way in which a high CV is cured in the clinic is mainly related to the cause of the condition. If it is caused by iron deficiency anemia, it can be cured with iron supplements. If it is megaloblastic anemia, it can be cured with folic acid supplementation. High CV of red blood cell distribution width mainly indicates that the body has a large difference in the size of red blood cells. Generally, it is mostly anemia type of disease, such as iron deficiency anemia, megaloblastic anemia and so on. Iron deficiency anemia caused by high CV of red blood cell distribution width, you can follow the doctor’s instructions to apply iron, such as inorganic iron ferrous sulfate, ferrous gluconate. Meanwhile, dietary attention can also be paid, such as consuming more seafood, green leafy vegetables, etc., which are beneficial. For those with high CV caused by megaloblastic anemia, folic acid and vitamin B12 can be used as prescribed by the doctor, and dietary attention can be paid to consuming more animal liver and nuts, which will also help to cure the disease as soon as possible.