Isosorbide mononitrate and and musk cardioprotection pill can be used to improve the blood supply of coronary heart disease and relieve angina symptoms. Isosorbide mononitrate tablets can expand the coronary arteries to improve the blood supply of the heart muscle, in the presence of chest tightness, chest pain and other angina symptoms, you can choose isosorbide mononitrate tablets for active treatment, can make the discomfort of the symptom has been significantly improved. However, after taking isosorbide mononitrate, some people may produce headache symptoms, and the vasodilating effect of this drug has a lot to do with, often leading to the patient can not tolerate, or the existence of contraindications can be used to replace the musk cardioprotective pill. Contraindications to isosorbide mononitrate include allergy to the drug components, acute heart failure, hypotension, increased intracranial pressure, glaucoma, and so on. Musk Cardioprotection Pill is a proprietary Chinese medicine that improves blood supply to the heart and improves microcirculation of the heart, and can also be used in the emergency treatment of angina pectoris compared to isosorbide mononitrate. Because of the presence of ice chips in the drug composition, some patients may experience gastrointestinal discomfort. In addition, pregnant women and people who are allergic to this product are prohibited. Isosorbide mononitrate and musk cardioprotection pills can also be taken at the same time, which has an improving effect on the blood supply to the heart, reduces the onset of angina pectoris and increases activity endurance. The application of the drug needs to be taken according to the correct dosage and regimen under the guidance of a doctor in order to have a better therapeutic effect.