Lung texture increase, coarsening is common in the following diseases: 1, chronic obstructive pulmonary disease, patients often repeated coughing, coughing up sputum, resulting in inflammation, which can cause two lungs texture increase, coarsening. 2, cardiovascular diseases lead to lung bruising, can cause lung texture increase, coarsening, such as coronary artery disease, hypertension heart disease combined with cardiac insufficiency, the emergence of the left heart failure, resulting in lung bruising, and then take a chest radiograph or CT when found that lung texture increase, coarsening. 3, if localized pulmonary texture increased, coarsening, should be CT or even enhanced CT examination to identify whether there are malformations of pulmonary vessels. When you do CT, you will find that the lung texture increases and thickens.3. If the localized lung texture increases and thickens, you should do CT or even enhanced CT examination to identify whether there is any malformation of the pulmonary blood vessels.