Efficacy and Safety Study of Total Flavonoids of Propolis Dropping Pill to Treat Angina Pectoris

Inclusion Criteria: * Class I, Class II and Class III stable angina pectoris, angina attack more than 3 times one week; * Qi deficiency and blood stasis syndrome of Traditional Chinese Medicine; * In resting electrocardiogram, ST-segment deviation≥0.05mv and/or T-wave inversion≥0.2mv in the leads R-wave is predominant during non-attack period, or ST-segment deviation≥0.1mv and/or T-wave inversion≥0.2mv in the leads R-wave is predominant during angina attack; * Total exercise time of treadmill exercise test≥3 minutes.The discontinuance standard should be reached. And the difference of total exercise time between before and after run in period should ≤15%; * Other confirmed diagnostic evidence of coronary heart disease, such as definite history of old myocardial infarction, or incomplete revascularization one year after coronary intervention therapy(residual luminal stenosis≥50%), or coronary angiography evidence(at least single vessel disease and luminal stenosis≥50%), or nuclein examination evidence, or computer tomography angiography evidence; * Signed the informed consent form. Exclusion Criteria: * Chest pain caused by acute myocardial infarction(AMI), Class IV/serious angina pectoris, psychosis, serious neurosis, climacteric syndrome, hyperthyroidism, Cervical Spondylosis, gallbladder- heart syndrome, gastroesophageal reflux, hiatus hernia, aortic dissection, aortic valve disease; * Not well controlled hypertension(systolic pressure≥160mmHg，diastolic pressure≥100mmHg), serious cardiopulmonary insufficiency, serious arrhythmia(rapid atrial fibrillation, atrial flutter, paroxysmal ventricular tachycardia, etc); * Serious diseases of heart, lung, liver, kidney and blood; * Allergic constitution or allergic to the components of total Flavonoids of Propolis dropping pill; * Women during pregnancy or lactation; * Received any major operation within 4 weeks; * Have been in other clinical trials within 30 days; * Using but can not withdraw anti-angina medicine as long acting nitrates; * Not well controlled hyperglycemia; * Not fit for this trial judged by investigator.