If once you have insomnia and angina, it may be caused by the narrowing of coronary arteries, which is a typical symptom of coronary heart disease. The other kind may be cardiac dysfunction, mostly seen in menopausal women aged 40-55. After examination of coronary arteries, it is found that the coronary arteries are not narrowed, but symptoms of chest tightness, shortness of breath, insomnia, palpitations and even angina pectoris may occur, which are clinically classified as cardiac neurosis, caused by psychological reasons, and the treatment should be given to nourish the nerves and calm the patient’s emotions. In case of insomnia and angina due to coronary stenosis, coronary angiography is required. The area of coronary stenosis is treated by giving conservative treatment, coronary stent implantation surgery, so that these symptoms can be relieved to the maximum extent.