The clinical manifestations of chronic pulmonary heart disease include cough, sputum, shortness of breath, palpitations and dyspnea after exercise. It is mainly divided into two categories, i.e. compensated and decompensated pulmonary heart function. 1. Compensated period of pulmonary heart function: manifestations include cough, sputum, shortness of breath, palpitation, dyspnea or post-exercise fatigue, and there may also be different degrees of cyanosis. 2. Lung and heart function compensation period: the original symptoms are aggravated, headache, insomnia, loss of appetite, daytime sleepiness, and even the expression of indifference, trance and other manifestations of pulmonary encephalopathy, cyanosis will be more pronounced, the bulbar conjunctiva is congested with blood and edema, the serious cases can also appear retinal vasodilatation, optic disc edema and other intracranial pressure increase, there can also be skin redness, sweating, which is because of hypercapnia caused by the dilation of peripheral vasculature. If the above clinical manifestations occur, it is necessary to consult a doctor in time, and the specific diagnosis and treatment should follow the doctor’s instructions.