Chronic pneumonia does not usually turn into lung cancer. Chronic pneumonia belongs to inflammation, which is a benign disease, mainly caused by bacteria, viruses and other pathogens as infectious inflammation of the lungs. Lung cancer, on the other hand, belongs to malignant tumors, which can be metastasized through blood or lymph, and is very harmful to the body, sometimes it may endanger the patient’s life. Chronic pneumonia will not turn into lung cancer in general, but if chronic inflammation stimulates the airway for a long time, the chance of turning into lung cancer will increase, so it is recommended that patients with chronic pneumonia go to the respiratory department of the hospital in time for standardized treatment, and it is very important to prevent and control chronic pneumonia in a timely and scientific way. It is recommended to go to the hospital in time to do chest CT examination, to clarify the cause of the disease, under the guidance of the doctor, to carry out targeted treatment. Patients with chronic pneumonia should pay attention to a balanced diet, avoid spicy and stimulating food, avoid smoking and alcohol, eat more fresh vegetables and fruits, appropriate sports, improve their immunity.