1. Vitamin B12 injection. It has a certain effect on bone marrow hematopoietic function and liver function. It is mainly used for various megaloblastic anemia, or pernicious anemia, with better curative effect. This medicine may cause allergic reactions and even anaphylactic shock, so it should not be abused. Coenzyme vitamin B12 tablets are a new type of vitamin B12. It is also used for megaloblastic anemia and malnutrition anemia. Keep tightly closed and protected from light. The folic acid tablets are especially suitable for pregnancy and infantile megaloblastic anemia. 2, ferrous sulfate tablets. It is divalent iron, easy to absorb, and good effect. 3. Ferrous salt. Used for iron deficiency anemia caused by chronic blood loss, malnutrition, pregnancy, and child growth. Commonly used drugs include ferrous sulfate, vitamin iron tablets (also known as Fonaide), ferrous fumarate, ferrous gluconate, ferrous succinate tablets, and ferrous lactate. 4. Heche Daizo Maru. 5. Liver essence tablets. Contain vitamin B12, folic acid and other ingredients, used for pernicious anemia. 6, ferrous fumarate tablets. For the treatment of various iron deficiency anemia. It is easier to absorb after oral administration, its iron content is higher, it works quickly, and has fewer side effects. But people who are allergic to iron should not take it. 7. Ferric ammonium citrate solution. It is trivalent iron, not as easy to absorb as ferrous sulfate tablets and blood iron tablets, but it is non-irritating and suitable for children and patients who cannot swallow tablets.