Abstract: As an important inflammatory cytokine, interleukin-17 （IL-17） plays a critical immune role in anti-infection and autoimmune diseases. Besides, IL-17 has been confirmed to play a pivotal role in the occurrence and progression of multiple malignant tumors. In recent years, the global mortality rate of ovarian cancer has been decreased, but there is a trend of younger women being diagnosed. According to the correlation studies between IL-17 and ovarian cancer, it can be predicted that IL-17 can serve as a critical biomarker in the detection, treatment and follow-up of ovarian cancer. Nevertheless, large sample size studies are urgently required. Currently, clinical trials related to the role of IL-17 in the immune therapy for multiple tumors are being undertaken. In this article, recent studies related to the role of IL-17 in ovarian cancer were reviewed, which might provide novel ideas for early detection, treatment and postoperative follow-up of ovarian cancer.