Objective Observe the Clinical efficacy on unstable angina type of Qi stagnation and blood stasis treated by shuganjieyu decoction. Methods Select 120 Patients of unstable angina type of Qi stagnation and blood stasis， randomly divided into treatment group 60 cases and Control group 60 cases. Control group treated with conventional western medicine， treatment group taking shuganjieyu decoction on the basis of conventional western medicine， twice a day. Observe and statistics the changes in the two groups 4 weeks later. Results Treatment group is better than Control group in angina and ECG， with significantly different（P<0.05 ）. Reduce the level of TCM symptom score was significantly better in treatment group than in the control group（P<0.01）， compared two groups of Chinese medicine symptoms of the total effect was significant（P<0.05）， The withdrawal rate of nitrate were significantly different（P<0.05）， The treatment group was significantly better than control group. Conclusion shuganjieyu decoction can effectively control Angina Type of Qi Stagnation and Blood Stasis.