Sudden chest tightness, consider the following aspects: 1, previous coronary heart disease, hypertension, diabetes mellitus in elderly patients suddenly chest tightness, consider whether there is an acute angina attack, in addition to chest tightness, will also be accompanied by shortness of breath, dyspnea, precordial pain, and even sweating and other symptoms. Most of them are induced by exertion, emotional fluctuations and other triggers, and the symptoms can be relieved after resting or taking medication.2. Patients with cardiovascular neurosis will have sudden chest tightness, and the patient’s autonomic symptoms are more obvious and last longer, and the symptoms can not be relieved after medication or resting, and there is no basis for organic heart disease. The main thing is to carry out psychological counseling, treatment, and if necessary, drug therapy.