The common dosage form of iron sucrose is injection, and its proper use includes intravenous drip and intravenous injection, the specific dosage should be used under the guidance of a doctor, and the dosage of the drug varies for each person. 1. Intravenous drip: Iron sucrose is preferred to be administered by drip, mainly to minimize the risk of extra-venous injection and the occurrence of hypotension. 1ml of iron sucrose can only be diluted to a maximum of 20ml of 0.9% (w/v) saline, and the diluted solution should be used immediately after it is prepared. 2. Intravenous injection: iron sucrose can be injected intravenously slowly without dilution, the recommended speed is 1ml of the product per minute, if 5ml of the product is used, it should be injected for at least 5 minutes, and the maximum dosage of iron sucrose for each injection is 10 ml. After intravenous injection, the patient should stretch the arms to promote absorption. Application of iron sucrose need to pay attention to this product can only be mixed with 0.9% w/v saline, can not be mixed with other drugs. Before use, the ampoule should be visually inspected for precipitation and breakage, if the ampoule is not broken and the liquid is not precipitated, it can be used. The drug should be used immediately after opening and is not suitable for intramuscular injection. Adverse reactions such as headache, nausea, vomiting, diarrhea, hypotension, elevated liver enzymes, cramps/stomach cramps, chest pain, drowsiness, dyspnea, pneumonia, cough, pruritus, gastrointestinal dysfunction,, myalgia, fever, urticaria, flushing of the face, and swelling of the extremities may occur with the use of this product. This product is contraindicated in persons with non-iron deficiency anemia, iron overload or impaired iron utilization and known hypersensitivity to iron complexes with monosaccharides or disaccharides. Iron sucrose should be administered by a healthcare professional and patients should not inject themselves to avoid danger.