If you often feel unable to lift the air is due to the following reasons: First, the most common reason is inadequate blood supply to the heart, coronary atherosclerotic heart disease, unstable angina, myocarditis, pericarditis, ischemic heart disease and even cardiac neurosis, will be due to insufficient blood supply and oxygen supply to the large blood vessels of the heart, or even transient ischemic spasm, resulting in the inability to lift the air, chest tightness, shortness of breath, and This can lead to breathlessness, chest tightness, shortness of breath, palpitations and other manifestations, especially when the activity will feel significantly aggravated. Second, common diseases of the respiratory system, such as chronic bronchitis, chronic bronchial dilatation, chronic obstructive pulmonary emphysema, chronic pulmonary heart disease, pulmonary hypertension, etc., will also be due to insufficient oxygen supply in the alveoli, resulting in lack of oxygen in the body, and will also feel unable to lift the air.