If the patient often feels chest tightness accompanied by dyspnea: 1, consider cardiogenic diseases, such as coronary heart disease, myocarditis, pericarditis, hypertrophic obstructive heart disease, hypertensive heart disease, rheumatic heart disease, all of the above conditions will have ischemia, stenosis, spasm of the coronary arteries, there will be dyspnea, chest tightness and shortness of breath. 2, for chronic diseases of the respiratory system, such as chronic bronchitis, chronic 3. For endocrine metabolic diseases, such as hyperthyroidism or adrenocortical dysfunction, the above symptoms may also occur in the above cases. Finally, symptoms of dyspnea can occur when cardiac neurosis is caused by plant nerve dysfunction. Before treatment, the cause of the disease must be identified and specific medication must be used according to the cause.