The main ingredient of Blood Production Tablets is a herbal compound, which also contains some ferrous sulfate. The main function of Blood Production Tablets is to strengthen the spleen and stomach, and also has the function of benefiting Qi and replenishing blood. In clinical practice, they are mainly used in the treatment of iron deficiency anemia, and can also improve a series of symptoms such as pallor, dizziness and loss of appetite caused by iron deficiency anemia. Generally, by taking blood generating tablets, the concentration of iron in the body can be increased, and the uptake of iron by red blood cells can be promoted, thus promoting the synthesis of hemoglobin, the concentration of hemoglobin will be increased, and the patient’s symptoms of anemia will be improved significantly, thus achieving the purpose of treating definite anemia. However, blood tablets have obvious side effects, for example, some people may experience bloating, diarrhea, constipation, black stool and a series of other symptoms after taking them, which are mainly related to the side effects of ferrous sulfate in blood tablets.