Increased lung texture is not necessarily lung cancer. Increased lung texture is a result of imaging and is not only seen in lung cancer. It can also be caused by various factors, such as long-term smoking and other life factors; it can also be a symptom of certain diseases, such as chronic obstructive pulmonary disease, bronchitis and so on. 1. Long-term smoking: Long-term smoking will cause certain damage to the lungs, which may show increased thickening of lung texture. You should quit smoking as soon as possible, eat a light diet, and maintain good living habits. 2. Chronic Obstructive Pulmonary Disease (COPD): a lung disease caused by irreversible airflow limitation leading to dyspnea, which can be caused by long-term smoking, heredity and other factors. The main symptoms can be manifested as chronic cough, sputum, etc., and the thickening and increase of lung texture can be seen in the imaging examination. 3. Bronchitis: it is a non-specific inflammation, which can be caused by viruses, bacteria, mycoplasma and other infections. The main symptoms are cough, sputum, fever and chills, etc., and the thickening and increase of lung texture can be seen on imaging. If the examination found increased lung texture, you should go to the hospital in time, further hospital related examination, in order to clarify the cause of the disease, and actively cooperate with the doctor’s treatment.