Ovarian cancer is a serious disease that threatens the life and health of women.More than 70%of patients experience a relapse even after receiving standard treatment.Recurrent ovarian cancer is currently considered incurable.The classical classification of recurrent ovarian cancer is divided into platinum-sensitive,platinum-resistant and platinum-refractory based on the time interval between recurrence and the last platinum-based chemotherapy.The application of maintenance therapy for pfor platinum-sensitive recurrent ovarian cancer is an important means to reduce the risk of recurrence or delay recurrence.This review focuses on the research progress of maintenance drugs widely used for platinum-sensitive recurrent ovarian cancer,such as anti-angiogenic drugs,Poly ADP-ribose polymerase inhibitors,immune checkpoint inhibitors,etc.