Aortic regurgitation is caused by insufficiency of aortic valve closure and can be classified as acute or chronic. For acute aortic regurgitation, surgical treatment is the fundamental measure, while medical treatment is generally only a transitional measure in preoperative preparation, aiming to reduce pulmonary artery pressure, increase cardiac output, and stabilize hemodynamics. For chronic aortic regurgitation, medical treatment is generally preferred for mild cases, including prevention of infective endocarditis, control of blood pressure, restriction of physical work, correction of arrhythmias, heart failure, and inadequate blood supply to the heart, while for severe aortic regurgitation, prosthetic valve replacement is the main treatment.