Idiopathic pulmonary hypertension generally does not have any symptoms at the beginning, and as the disease progresses, it can have the following atypical symptoms: 1. dyspnea: Patients with pulmonary hypertension generally show exertional dyspnea, which is not related to body position and rest, but related to activity; 2. fatigue and weakness: Because patients with pulmonary hypertension generally have reduced blood volume of left heart return function, which may lead to reduced blood volume of body circulation, resulting in fatigue and weakness 3, syncope: if the amount of return blood is further reduced, the ejection volume is further reduced, leading to symptoms such as dizziness and syncope; 4, hemoptysis: hemoptysis mainly originates from bleeding from ruptured small pulmonary arteries; 5, angina: because pulmonary hypertension can generally lead to right ventricular hypertrophy and right heart ischemia, leading to angina symptoms; 6, hoarseness: due to pulmonary hypertension, the right atrium and right ventricle are later compressed by the recurrent laryngeal nerve; 7 Body circulation edema: including lower limb edema, calf upward spread to thigh, perineum gradually edema; 8, digestive system edema: can lead to indigestion, acid reflux, heartburn, etc. Therefore, pulmonary hypertension, should be diagnosed and treated early to prevent further progression and deterioration of the disease.