Objective To evaluate the safety and efficacy of Safflower Yellow Injection (SYI) in treating coronary heart disease and angina pectoris (CUD-AP) with heart blood stagnation syndrome (HBSS).

• 摘要目的评价注射用红花黄色素治疗冠心病心绞痛（心血瘀阻证）安全性及有效性。