There are many clinical causes of increased lung texture, such as the following factors: 1, long-term smoking, can appear increased lung texture, if the patient is due to the above reasons, it is recommended to quit smoking. 2, long-term exposure to dust, can appear increased lung texture, should avoid further exposure to dust. 3, the recent emergence of respiratory tract infections, can appear increased lung texture, then need to improve the Blood routine, C-reactive protein, calcitoninogen, chest X-ray and other related tests to clarify what kind of pathogenic bacteria are causing the infection. For example, bacterial infections should be treated with antibiotics, such as cefixime, azithromycin and levofloxacin. If the infection is caused by a virus, the patient needs to use antipyretic, detoxifying or antiviral drugs, such as busulfan, oseltamivir, etc.