Objective To explore the correlation between coronary angiography（CAG）results and TCM syndromes in the patients with coronary heart disease（CHD）to search for the objective indices for prevention and treatment based on syndrome differentiation.Methods Totally 405 CHD patients were given CAG examination and diagnosed by TCM syndrome differentiation.An analysis was carried out to study the correlations among the different TCM syndromes

complicated syndromes

number of diseased coronary artery branches

and Gensini scores.Results The TCM syndrome distribution in 405 CHD patients from more to less was blood stasis syndrome > phlegm-turbid syndrome > Qi deficiency syndrome > Yin deficiency syndrome > Qi stagnation syndrome > cold coagulation syndrome > Yang deficiency syndrome.There were 126 cases with one diseased artery branch（31.1%）

135 cases with two diseased artery branches（33.3%）

144 cases with three diseased artery branches（35.6%）.The blood stasis syndrome and phlegm-turbid syndrome were mainly in those cases with three diseased artery branches

and Qi stagnation syndrome was common in those with one diseased artery branch（P<0.05）.Gensini scores of Qi deficiency syndrome

Yang deficiency syndrome

Qi stagnation syndrome

and blood stasis syndrome were significantly different（P<0.05）.The cases with one diseased artery branch were mostly seen in the simple syndromes

whilst those with two or three diseased artery branches mostly were seen in complicated syndromes（P<0.05）.In the excess syndromes

most cases were with one diseased artery branch.In the deficiency syndromes

most cases were with two diseased artery branches.And in the complicated Ben-deficiency with Biao-excess syndromes

most cases were with three diseased artery branches（P<0.05）.The Gensini score became increased with the increase of number of complicated syndromes（P<0.05）.Conclusion There is difference in the severity of diseased coronary arteries and TCM syndromes of CHD.Along with the increase of complicated syndromes

the severity of diseased coronary arteries is getting worse.There exists the correlation between the CAG results and TCM syndromes in the CHD patients.