Pulmonary heart disease is a relatively common disease that affects mainly the lungs and heart of patients, often causing great physical harm to those affected, and respiratory infections are a common predisposing factor for the frequent occurrence of pulmonary heart disease. So what exactly is pulmonary heart disease? First of all, this disease is mainly a heart disease caused by pulmonary hypertension, and the main lesions are in the bronchial tubes and pulmonary artery vessels, and the lesions of these two lesions lead to pulmonary heart disease. Patients mainly present with cardiopulmonary failure, and it can cause damage to other organs of the patient and affect their health. There are also a small number of patients who develop pulmonary heart disease due to frequent and repeated occurrences of small pulmonary arteritis. Some patients develop pulmonary heart disease because of changes in their body shape, such as spinal deformities, which affect their normal breathing. The disease is more frequent in places with insufficient sunlight and high air humidity, and has a higher incidence in people who smoke compared to those who do not smoke, but there are no gender differences in this disease, and it can occur in both men and women. Therefore, pulmonary heart disease is mainly caused by pulmonary hypertension, and this disease is a great torture for the patient himself. Pulmonary heart disease needs to be treated immediately in a hospital and should not be delayed or delayed in treatment.