Myocardial ischemia can be detected by Chinese medicine. However, according to the theory of Western medicine, if you want to determine whether a patient has myocardial ischemia, you should mainly look at the electrocardiogram first and use it to make a preliminary assessment. If you want to further clarify the diagnosis, you need to combine with cardiac ultrasound and, if necessary, coronary CT and coronary angiography to make a clear diagnosis. In Western medical theory, coronary angiography is the gold standard test to confirm the diagnosis of coronary heart disease and myocardial ischemia. In fact, many of the tests in TCM currently rely on a combination of Western medical theories for diagnosis and treatment. Moreover, there is a big difference between TCM and Western medicine for the treatment of myocardial ischemia. TCM may use Chinese medicine to improve myocardial ischemia; Western medicine may improve symptoms mainly through symptomatic support treatment such as anti-atherosclerosis, anti-platelet, and vasodilatation.