Abstract： Objective： To observe the curative effect of Shexiang Baoxin pills combined with western medicine for unstable angina of qi deficiency and blood stasis type. Methods：A total of 150 cases of patients with unstable angina of qi deficiency and blood stasis type were included as the study subjects and divided into the control group and the study group according to the random number table method， 75 cases in each group. Both groups were treated with routine western medicine， and the study group was additionally treated with Shexiang Baoxin pills. Both groups were treated for 30 days. Before treatment and after 30- day treatment， the related indexes of treadmill test were detected， the attack of angina pectoris and the dosage of nitroglycerin were counted. The clinical effect was evaluated. During treatment，the incidence of adverse reactions was observed. Results： After treatment， the time of decline of 0.1 mV at ST segment， the maximum descent range at ST segment，the duration of ST segment depression，the oxygen consumption and the maximum load of heart rate in the two groups were improved when compared with those before treatment(P＜0.01)，and the above indexes in the study group were better than those in the control group(P＜0.01). The frequency of angina pectoris，the duration of attack and the dosage of nitroglycerin in the two groups were decreased and shortened when compared with those before treatment (P＜0.01)， the frequency of angina pectoris， the duration of attack and the dosage of nitroglycerin in the study group were shorter or less than those in the control group(P＜0.01). The total effective rate was 94.67% in the study group， higher than that of 77.33% in the control group，the difference being significant(P＜0.01). There was no significant difference being found in the comparison of the total incidences of adverse reactions between the two groups(P＞0.05). Conclusion：On the basis of routine western medicine treatment，the additional treatment of Shexiang Baoxin pills can significantly improve the heart function of patients with unstable angina pectoris，which can effectively relieve the symptoms of angina pectoris， improve the curative effect，with high medication safety.