A middle-aged male, in recent months, often suffocated in the chest while walking or going up the stairs, and the symptoms became increasingly severe, so that the symptoms would appear after walking 50 meters on flat ground, and could be relieved after 2-3 minutes of rest, because it seriously affected his life and work, he was consulted in a specialized hospital, and when coronary angiography was performed, he developed anaphylactic shock and failed to complete the angiography. He could only be treated according to coronary heart disease, but the symptoms did not improve well, and he was asked to use a more advanced contrast agent to re-perform the coronary angiography, and the patient turned to Chinese medicine for treatment because he was worried.