Patients with myocardial ischemia can take Salvia miltiorrhiza because it plays a major role as a major ingredient in many Chinese medicines with anti-ischemic and anti-anginal effects. Danshin contains Salviae and Tanshinone, which have a protective effect on myocardial ischemia, significantly improving myocardial cell ischemia, and improving hypoxia, anti-angina and anti-arrhythmia, as well as having a protective effect on myocardial ischemia-reperfusion injury. When taken, salvia can effectively improve the endothelial cell function of cardiovascular system and relieve the effect of unstable angina pectoris. For myocardial ischemia caused by coronary heart disease or hypertensive heart disease, hypertrophic obstructive heart disease, myocarditis, dilated cardiomyopathy, myocardial ischemia can be relieved and improved by taking salvia.