Many patients report angina when they wake up in the morning. Generally, if angina occurs in the morning, it is mainly due to the sympathetic nerve excitation caused by the vagus nerve, which makes the coronary artery of the myocardium produce spasm and cause angina pectoris. Once this happens, you need to take nitroglycerin or musk heart pills under the tongue in time. Also need to let friends or family members to call 120 emergency telephone, China business personnel arrived at the hospital, according to the electrocardiogram, cardiac ultrasound, coronary CT and coronary angiography to clarify the situation of the lumen stenosis, to give the next step of the treatment plan. For example, conservative treatment with medications for coronary dilation and anticoagulation, and surgical treatment with coronary stent implantation, both of which can relieve the symptoms of angina.