Abstract: AIM: To observe the clinical efficacy of treatment of stable angina pectoris with Wumei Wan. METHODS: A randomized controlled clinical trial were carried out , 78 patients with stable angina pectoris were randomly divided into Wumei Wan group and control group,patients from Wumei Wan group were treated with Wumei Wan and patients from control group were treated with common treatment. The treatment was lasted for 4 weeks. Clinical efficacy was assessed through the change of clinical symptoms, ECG, Seattle Angina scale score. RESULTS: Compared with the control group,after four weeks of treatment, the improving clinical symptoms and quality of life in Wumei Wan group was better, and there was statistically significant difference (P<0.05);there was statistically significant difference in improving ECG (P>0.05). CONCLUSION: Wumei Wan can effectively improve the clinical symptoms of patients with angina pectoris and improve the patient's quality of life.

Key words: Wumei Wan, Stability, Angina pectoris, Clinical observation