Chest a little blocked, the common reasons are mainly the following: First, serious lung infection, lung infection is serious will cause gas exchange in the body is blocked. The carbon dioxide produced by the body can not be discharged, and fresh oxygen can not be inhaled into the body, which will cause chest blockage, stuffiness and discomfort. The patient can improve the CT examination of the lungs to clarify the severity of the lung infection. Strengthen the anti-infection, improve the nebulization, promote the sputum discharge. After the inflammation of the lungs is controlled, the symptoms of chest congestion can slowly subside. Second, patients with coronary atherosclerotic heart disease, if combined with vascular stenosis, will cause myocardial ischemia, hypoxia, thus appearing a little blocked heart symptoms, patients can improve cardiography, clear the severity of vascular stenosis, plant vascular stent if necessary, to avoid the occurrence of acute infarction.