Pulmonary texture is composed of pulmonary arteries, veins, bronchi, and lymphatic vessels, with the main component being the pulmonary arteries and their branches. Increased and thickened lung texture is a common term used in radiology, it does not represent a specific disease, and needs to be closely combined with clinical symptoms, as follows: 1, if the patient does not have any symptoms, and the lung texture is only found to be thickened during the health checkup, it is of little clinical significance, and can be observed and followed up without special treatment; 2, if the patient has corresponding clinical symptoms, especially a recent cold, or fever, cough If the patient has the corresponding clinical symptoms, especially if he or she has a recent cold, or has fever, cough, sputum and other respiratory symptoms, and at the same time, the thickened and increased texture of both lungs is detected, the condition is commonly associated with acute and chronic bronchitis. Acute bronchitis, chronic bronchitis acute, pneumonia, may appear changes in lung texture, such as long-term cough, coughing sputum, shortness of breath, mostly seen in chronic bronchitis, chronic obstructive pulmonary, interstitial lung disease, asthma, etc.; 3, patients with long-term smoking can cause increased lung texture, thickening, the elderly may also appear increased lung texture, thickening, if no other parts of the organic lesions, are considered normal If there is no other organic lesion, it is considered normal.