objective: to analyze multislice CT clinical value in the diagnosis of ovarian tumors. Methods: retrospective analysis of our hospital in January 2012 - October 2013 treated 87 cases of ovarian cancer patients with preoperative CT diagnosis. Results: CT, the diagnosis rate was 94.3%, the misdiagnosis rate was 5 cases, accounting for 5.7%. Conclusion: the diagnosis of ovarian cancer patients take multislice CT, can be more clear, according to the characteristics of tumor blood vessels to provide scientific basis for patients. Therefore, MDCT can be used as an ideal method of diagnosis of ovarian tumors, has high clinical value, worthy of promotion of use.