Patients with chest tightness that can only be improved by deep breathing are highly considered to be triggered by cardiac neurosis or disorders in the regulation of plant nerves. Menopausal women or people with long-term anxiety, exertion, or staying up late can also experience this discomfort. However, it is necessary to rule out whether it is an organic lesion first. Not every disease has very typical onset symptoms, and it is necessary to rule out the presence of cardiovascular diseases, such as the presence of coronary heart disease and angina pectoris, and it is recommended that patients can combine the examination of electrocardiogram and cardiac ultrasound. Some patients may also have chronic obstructive pulmonary disease or bronchial infections, and it is recommended to check the blood count and, if necessary, oxygen therapy.