Objective: To analyze the results and value of treadmill exercise test in diagnosis of coronary heart disease.

Methods: 74 cases of coronary heart disease patients admitted to our hospital as the research object, the use of treadmill exercise test, coronary angiography, observation of diagnostic results, as well as the diagnostic accuracy of different coronary lesions.

Results: the sensitivity of treadmill exercise test was 68.4%, the specificity was 58.3%, the positive predictive value was 63.4%, the negative predictive value was 63.6%, the diagnostic accordance rate was 63.5%. The diagnostic accuracy of the 61.1%, 75.8%, 100%, 94.4%, and three, respectively, were negative, single vessel lesion, double vessel lesion and lesion.