Anemia is divided into iron deficiency anemia, aplastic anemia, hemolytic anemia and so on according to the causes. Iron deficiency anemia drinking calcium, iron and zinc oral solution after a long period of time has a certain curative effect, but other types of anemia is not suitable for taking. 1. Iron deficiency anemia is caused by the body lack of iron, hemoglobin synthesis is reduced, the treatment is mainly to supplement iron and vitamin C and so on, iron commonly used ferrous sulfate and so on, vitamin C with the role of taking to promote absorption. Calcium, iron and zinc oral solution contains ferrous gluconate, long time after taking a certain effect. However, Calcium, Iron and Zinc Oral Liquid is a health food, not a drug, and cannot be used as a substitute for medication. 2. Anemia caused by other diseases, such as aplastic anemia, hemolytic anemia, the use of this oral solution is ineffective. The adverse reactions and contraindications of specific health food are unknown and may include diarrhea, skin rash, liver and kidney function impairment. If anemia is diagnosed, it is recommended to go to the hospital in time, under the guidance of the doctor for standardized treatment, the above drugs should not be taken on their own to avoid adverse reactions.