Chinese medicine treats pulmonary hypertension mainly from the following aspects: anti-thrombosis, anti-inflammation, and vascular remodeling. 1. Antithrombotic effect: the main Chinese medicines used are Salvia miltiorrhiza and Astragalus membranaceus. Among them, the main extracts of Salvia miltiorrhiza include salvinorin, salvinorin and tanshinone, which can activate blood circulation, remove blood stasis and analgesia, nourish blood, calm the mind and regulate menstruation, as well as inhibit platelet aggregation and dilate coronary arteries. And Astragalus can play a role in lowering blood viscosity and reducing platelet aggregation. 2. Anti-inflammatory effect: mainly use Lei Gongteng, Chuanxiong and other drugs, research shows that such Chinese medicines can reduce the degree of right ventricular myocardial hypertrophy, improve the right heart function of hypoplasia and some heart failure. 3. Vascular remodeling effect: the main drugs are lampblossom, whose extracted lampblossin has the effect of increasing blood flow, improving microcirculation, dilating blood vessels, reducing blood viscosity, regulating blood lipids, and anti-thrombosis. Patients with symptoms of pulmonary arterial hypertension must seek medical attention in a timely manner, do not take medication without authorization.