If patients feel that they cannot get up to the air and want to take a deep breath, there are usually several factors as follows: 1. The most common factor is cardiogenic factor, when patients have unstable angina pectoris of coronary heart disease, or myocarditis, pericarditis, infective endocarditis, etc., it will cause insufficient blood supply to the heart, and then there will be clinical symptoms and performance of chest tightness, shortness of breath, feeling unable to get up to the air and wanting to take a deep breath. 2, respiratory factors, such as patients with clear lung infection, tension pneumothorax, pleural effusion, etc., will also have the clinical manifestation of feeling unable to get air and want to take a deep breath. 3.In some patients with chronic pulmonary insufficiency, such as chronic bronchiectasis, chronic obstructive pulmonary disease, pulmonary heart disease, pulmonary hypertension, the above clinical symptoms may also occur due to insufficient oxygen saturation. 4. In patients with adverse gas poisoning, it will also lead to the above-mentioned situation.