Clinical Study on Adjuvant Treatment of Coronary Heart Disease Angina Pectoris With Chinese Patent Medicine

Inclusion Criteria: 1. Voluntarily participate, understand and sign the informed consent form; 2. Age 35-75 years old, gender is not limited; 3. Patients with coronary heart disease and angina pectoris in the Department of Cardiology or Outpatient Department, the diagnosis of angina pectoris meets the diagnostic criteria of Western medicine and the standard of TCM syndrome differentiation; 4. Patients who met the criteria for drug treatment, the exposed group was treated with traditional Chinese medicine combined with Western medicine, and the non-exposed group was treated with Western medicine alone. Exclusion Criteria: 1. Combined with other heart diseases, neurosis, menopausal syndrome, hyperthyroidism, cervical or vertebral artery type cervical spondylosis, gastro-oesophageal reflux disease or esophageal hiatus hernia may cause chest pain; 2. Patients with severe symptoms and uncontrollable angina pectoris, with acute myocardial infarction, heart failure, myocarditis, cardiomyopathy, severe heart valve disease, liver failure or renal failure, malignant tumors and serious metabolic diseases; 3. Pregnant women, lactating women or women of childbearing age who have birth requirements; 4. Mental patients, or cognitive dysfunction; 5. Participated in other clinical trials in the last 3 months; 6. Allergic persons, or those known to be allergic to therapeutic drugs; 7. It is expected that the compliance is poor and it is not possible to visit regularly; 8. Patients who do not have a current address or whose current address is incomplete and have no contact number; 9. The investigator believes that there are other situations that are not suitable for the trial.