To study the curative effect of Danzao oral solution in treating angina of coronary heart disease (CHD) of qi stagnation and blood stasis syndrome and its electrocardiograph (ECG) effect,besides,to explore the TCM evaluation idea and treatment.Methods:To divide 115 patients into two groups:treatment group of 86 cases taking Danzao oral solution and observation group of 29 cases taking Tongmai oral solution.To observe the main symptoms and ECG of the two groups and analyze the curative effect,syndrome curative effect and their correlation of Danshen oral solution.Results:There were significant difference in curative effect between the two groups (P<0.05),but none in syndrome curative effect and ECG (P>0.05).Also,in both groups,the correlation of curative effect,syndrome curative effect and ECG are obvious (P<0.05).Conclusion:Danzao oral solution is effective in treating angina CHD of qi stagnation and blood stasis syndrome.Additionally,there are obvious correlation between its curative effect,relief of symptom and ECG.