Chronic inflammation of the lungs refers to chronic pneumonia with a duration of more than three months. Chronic inflammation of the lungs has a longer course, and most patients have alveolar inflammation. People who are susceptible to chronic inflammation of the lungs include malnourished children, patients suffering from interstitial pneumonia due to long-term viral infections, long-term smokers, and patients with poor physical condition who are affected by recurrent upper respiratory tract or bronchitis, chronic sinusitis, and so on. Chronic inflammation of the lungs is characterized by periodic cyanosis, dyspnea, etc. In severe cases, it can lead to increased pulmonary artery pressure, increased load on the right side of the heart, resulting in pulmonary heart disease. Chronic inflammation of the lungs should be timely to the respiratory department of the hospital, under the guidance of the doctor to standardize the treatment, so as not to delay the best time for treatment.