Pulmonary arterial hypertension(PAH)is a typical chronic and progressive cardiopulmonary vascular disease with low survival rate.Current basic therapy and targeted drug therapy can improve the quality of life of PAH patients,but the long-term efficacy and prognosis are not good.Studies have shown that exercise rehabilitation therapy can improve cardiopulmonary reserve,strengthen skeletal muscle strength,reduce inflammatory response,improve vascular and ventricular remodeling,improve long-term quality of life and improve psychological state of patients.This article will review the research progress in the effect and safety of exercise rehabilitation therapy for PAH patients.