Chronic pulmonary heart disease when the pathological development of the heart and lung changes usually have pulmonary vascular system lesions and cardiac neuropathy. 1. Pulmonary vascular lesions: such as chronic obstructive pulmonary disease, the disease usually has frequent recurrence, bronchitis, pneumonia and other manifestations, seriously affecting the bronchial arteries and review of the pulmonary artery branches, so that the bronchial arteries to varying degrees of thickening, including pulmonary artery myelination, muscle hypertrophy, pulmonary artery intima-media fibrous thickening. 2. Cardiac lesions: cardiac lesions usually include right ventricular hypertrophy, ventricular wall hypertrophy, enlargement of the heart cavity, conical swelling of the pulmonary arteries, hypertrophic atrophy of myocardial fibers, interstitial edema and focal necrosis. Areas of focal necrosis are replaced by fibrotic tissue, and some patients may develop coronary atherosclerotic lesions. It is recommended that patients should follow the doctor’s instructions for treatment, in order to facilitate the alleviation of the condition.