Objective To evaluate the therapeutic effect and safety of Huangqi Danshen Drop Pill (HDP) for angina pectoris (AP) due to coronary heart disease (CHD) classified as qi-deficiency and blood-stasis syndrome.

• 摘要目的评价黄芪丹参滴丸治疗冠心病心绞痛（气虚血瘀证）的临床疗效和安全性。