Objective: To observe the clinical efficacy of “Xinnaoning Capsules” in treating coronary heart disease of stagnation of heart blood pattern  Methods: One hundred and twenty-six cases with coronary heart disease of stagnation of heart blood pattern were randomly divided into treatment group and control group by the ratio of 2∶1. Forty-two cases in the control group were treated with conventional therapy, and 84 cases in the treatment group were added with “Xinnaoning Capsules” orally, with the course of 8 weeks. The clinical efficacy and TCM symptom scores were observed  Results: The effective rate of clinical efficacy and TCM symptoms were 90.5% and 91.7% respectively in the treatment group, and were 76.8% and 78.6% in the control group. There were significant differences in the clinical efficacy and TCM symptoms between the two groups (P<0.01)  Conclusion: “Xinnaoning Capsules” can improve the clinical efficacy for the treatment of coronary heart disease of stagnation of heart blood pattern.