Clinical Research Directory

Inclusion Criteria: * Meet the diagnostic criteria for coronary heart disease * Age 18\~80 years old, male and female, lower limbs can move freely * Patients with coronary angiography or coronary CT angiography indicating that the rate of coronary artery large vessel stenosis is greater than 80% * Patients with angina pectoris (angina pectoris frequency ≥3 times/week) after PCI according to the judgment of the treating physician * According to the doctor\'s judgment, patients who need to use conventional drugs (ACEI/ARB, β-blockers), and patients who need to use Kuanxiong Aerosol drugs on the basis of conventional drug therapy * Patients voluntarily sign informed consent Exclusion Criteria: * Allergic to ingredients contained in Kuanxiong Aerosol * Coronary artery bypass grafting was prepared during the trial * Blood lipid and uric acid exceeding 1.5 times the upper limit of normal reference value; Uncontrolled severe hypertension with systolic blood pressure \>180mmHg and/or diastolic blood pressure \>110mmHg * severe hepatic and renal insufficiency (ALT, AST or TBIL\>1.5 times the upper limit of normal reference value, Cr \>1.5 times the upper limit of normal reference value) * Malignant tumors * Severe arrhythmias (such as rapid atrial fibrillation, ventricular tachycardia, high atrioventricular block, etc.) * Women who are pregnant or trying to become pregnant * The researcher judged that it is not suitable to participate in this study