The correct name for Isosorbide Mononitrate Injection is Isosorbide Mononitrate Injection, which is administered by intravenous drip, and the effective dose is usually 2 to 7 mg per hour. Isosorbide Mononitrate Injection is used primarily for the treatment of angina pectoris or with digitalis and diuretics for the treatment of chronic heart failure. It is to be administered intravenously by drip, diluted with 0.9% sodium chloride injection or 5% dextrose injection. The exact dose of the drug can be adjusted according to the patient’s response, usually the effective dose is 2-7mg per hour, once a day, 10 days as a course of treatment. Adverse reactions of this product include headache, fatigue, dizziness, nausea, vomiting, etc. It is contraindicated in acute myocardial infarction with low filling pressures, left heart insufficiency with low filling pressures, severe hypotension, constrictive pericarditis, and hypersensitivity to nitro compounds. This product needs to be used by a physician, if there is obvious physical discomfort after the administration of the drug, please inform the physician promptly.