No cough, a little shortness of breath, consider and heart disease, spontaneous pneumothorax, bronchial asthma and other factors related. 1. Heart disease: the elderly do not cough, a little shortness of breath, need to know whether it is related to primary diseases. Such as hypertensive heart disease, the presence of cardiac insufficiency, myocardial infarction, may cause chest tightness and shortness of breath. It is recommended to give nitroglycerin treatment under the guidance of the doctor, but also as soon as possible for interventional therapy, such as implantation of stents, so that the occluded blood vessels open. 2. Spontaneous pneumothorax: Spontaneous pneumothorax will cause no cough, but shortness of breath, it is recommended that the patient bed rest, reduce activities, if necessary, through the closed chest drainage and other ways of treatment. 3. Bronchial asthma: patients with a history of allergy presenting with chest tightness and shortness of breath are considered to be related to bronchial asthma. Targeted administration of drugs such as salmeterol and budesonide can help improve the situation. No cough, a little shortness of breath, consider with a variety of factors. It is recommended to consult the respiratory medicine department of the hospital, improve the relevant examination, and make a clear diagnosis.