Infective endocarditis (IE) is a challenging disease. In the past century, it has the highest mortality among all kinds of valvular heart diseases. Treatment for IE has developed over time from anti-infective therapy only to today’s active surgery. However, due to its characteristics of multisystem involvement and changeable clinical symptoms, early diagnosis, indication and timing of surgery, and evaluation of surgical risk remain urgent issues at present. By reviewing representative literature in the past