MicroRNA is a kind of evolutionary conserved non encoding small molecule RNA,which has the function in the post transcriptional regulation of gene expression. It closely relates with tumor development,diagnosis,treatment and other aspects. It is the hot spot of research in recent years. In all gynecological malignant tumors,epithelial ovarian cancer accounts for a major cause of death,which causes serious threat to women's lives. In this paper,the research progress of microRNA in epithelial ovarian cancer i...