The main effect of Ferrous Succinate Extended-Release Tablets is iron supplementation for the treatment of iron deficiency anemia. The main ingredient of this drug is ferrous succinate, which is an anti-anemia drug, mainly used for the treatment of iron-deficiency anemia, to improve the symptoms of anemia such as body soreness and weakness, dizziness and shortness of breath. The use of the drug need to pay attention to matters: renal insufficiency, hepatitis, peptic ulcers should be used with caution, taking bicarbonate and tetracycline drugs are prone to drug interactions affecting the efficacy of the drug, do not drink tea during the period of time, to avoid affecting the efficacy of the drug. Common adverse reactions and contraindications: nausea, vomiting, loss of appetite, etc.; severe liver and kidney function damage, hemochromatosis, thalassemia is prohibited. The drug should be used reasonably under the guidance of a doctor to avoid the adverse consequences caused by self-medication.