There is no ovarian cancer type with the lowest mortality rate. The mortality rate of ovarian cancer is affected by many factors, and ovarian cancer should be actively treated when found. At present, the common types of ovarian cancer are ovarian epithelial cancer, malignant germ cell tumor of ovary, malignant gonadal mesenchymal tumor, metastatic tumor and so on. These types of ovarian cancer have certain mortality rate, so don’t take the consequences of ovarian cancer lightly. The mortality rate of ovarian cancer is related to its type, and the main factors affecting the mortality rate of ovarian cancer are malignant or benign, timeliness of treatment, degree of disease, patient’s cooperation in treatment, patient’s physical condition, treatment plan, treatment effect, etc. It is suggested that patients with ovarian cancer who want to reduce their mortality rate should not take the consequences of ovarian cancer lightly. It is suggested that if ovarian cancer patients want to reduce mortality rate, they should go to regular hospitals in time when they find ovarian cancer symptoms.