Abstract: Ovarian cancer is the highest malignancy among gynecologic cancer. It holds high mortality because most
patients are diagnosed at advanced stages. Surgery and chemotherapy are the primarily treatments for patients. Nanoscale drug delivery system has a good slow release，targeting，and many other advantages，which can enhance the killing effect on tumor cells without affecting normal cells. Nanoscale drug delivery system is a new means and a hot research in current，showing a good anti-tumor effect in the treatment of tumors，such as active and passive targeting，loading drug or gene nanoparticles，magnetic nanoparticles. In this paper，studies about nano-drug delivery system in the field of ovarian carcinoma are reviewed

Key words: Ovarian neoplasms, Nanostructures, Nanotechnology, Drug carriers, Drug delivery systems, Antineoplastic agents