<b>Results</b> The expressions of miR-338-3p and MACC1 gene in epithelial ovarian cancer tissues were (0.331±0.038) and (0.774±0.025), significant differences were noted between epithelial ovarian cancer and normal ovarian tissues, benign ovarian tumors (F=77.916, <i>P</i>=1.205E-18; F=77.945, <i>P</i>=1.187E-18).