Moderate pulmonary hypertension refers to the pulmonary artery pressure reaches 41~70mmHg, and patients may have clinical symptoms such as dyspnea, hemoptysis and syncope. 1. Dyspnea: Dyspnea is the most common and earliest clinical symptom. It is characterized by shortness of breath after activity or when sitting, and some patients also have different degrees of chest tightness. 2. Hemoptysis: pulmonary hypertension is mostly caused by rupture of pulmonary capillary microvascular tumor, and excessive bleeding may lead to shock and asphyxia. 3. Fainting: pulmonary hypertension easily affects blood delivery, which will affect the brain blood supply, organs, tissues and other blood supply and other insufficiencies, such as fainting after exercise or sudden rise. It is recommended that patients go to a regular hospital, follow the advice of a specialist systematic diagnosis and treatment.