Bosentan Tablets is a prescription western drug, which is an orange-white film-coated tablet used in clinical practice for the treatment of pulmonary hypertension. It is indicated for the treatment of patients with WHO functional class II to V pulmonary hypertension to improve exercise capacity and reduce clinical symptoms. The decision to start this drug should be made by a physician with extensive experience in treating pulmonary hypertension, and the treatment process is rigorously tested. Moreover, this drug needs to be administered in serious compliance with medical advice and should not be self-administered, which may endanger health.