The subject is dedicated to study the treatment of unstable angina pectoris with traditional Chinese medicine, and put forward the treatment of unstable angina pectoris with the method of supplementing qi and eliminating blood stasis. Shenyuan Qi Supplementing and  Blood Aactivating Capsule, an in-hospital preparation, has been developed. It has a good clinical effect and has a good prospect in protecting vascular endothelium, preventing and treating ischemia-reperfusion injury, and protecting myocardium during perioperative period. Relevant research has won a number of provincial and ministerial-level scientific and technological progress awards, and a number of national invention patents.