Feeling breathless and suffocating panic is considered to be caused by psychological factors, respiratory system diseases or cardiovascular system diseases, and patients need to be treated accordingly according to their own conditions. 1. Psychological factors: when the patient’s psychological extreme tension, agitation or excitement, there will be dyspnea, which leads to breathlessness, suggest that the patient to maintain a happy mood. 2. Respiratory diseases: breathlessness is clinically known as asthma and dyspnea. Emphysema, pulmonary edema, chronic bronchial and bronchial asthma and other lung diseases, will cause the lung contraction function decline, causing respiratory disorders, and then the symptoms of dyspnea, it is recommended that patients go to the hospital in a timely manner, according to their own situation for appropriate treatment. 3. Cardiovascular system diseases: patients suffering from heart diseases, such as heart failure, pulmonary heart disease or coronary heart disease, etc., in excessive exercise or mood abnormality will also appear chest tightness, panic and shortness of breath, dyspnea symptoms, it is recommended that patients seek medical attention in a timely manner, under the guidance of the doctor to carry out the appropriate treatment. Feeling breathless and suffocated, there may be other causes, such as pneumothorax, pleural effusion, lung tumors, acute infarction, etc., should go to the hospital in time to find out the cause of the disease and receive professional treatment.