Feeling suffocated, to exclude the respiratory system diseases, or cardiac system diseases. Respiratory diseases, upper respiratory tract infections are more common, including pharyngitis, laryngitis, epiglottitis, in the acute laryngeal edema, there can be a feeling of suffocation, at this time in the application of anti-inflammatory drugs at the same time, it should be appropriate to apply glucocorticosteroid therapy, commonly used, including dexamethasone, methypoderma, and so on. In addition, the lower respiratory tract infections, tracheitis, pneumonia can also appear suffocating feeling, the need for regular application of antibacterial drugs, including cephalosporin, penicillin and so on. Cardiac system diseases, part of angina pectoris will also appear suffocating feeling, need to do electrocardiogram, myocardial enzymes, cardiac ultrasound and other related tests to make a clear diagnosis, the necessary use of vasodilating or blood circulation and blood stasis medication. In addition, there are also some patients with asthma will also appear suffocating feeling, there will be croup or airway stenosis caused by dyspnea, at this time the application of hormones at the same time, should also be combined with the application of β-agonists.