Prevention of gynecological tumors: 1. Promote late marriage and late childbirth: Some studies show that those who get married or have sex before the age of 20 are 2 times more likely to suffer from cervical cancer than other women. 2.Prevent unclean sex life: Research shows that the risk of cervical cancer is 2-3 times higher for those with disordered sex life. 3.Cure chronic gynecological diseases: chronic inflammation, erosion, white spots, trichomonas and mycotic infections of the cervix may induce cervical cancer. 4.Regular checkups: regular gynecological checkups should be conducted, especially women over 45 years old should have gynecological checkups and cervical smears once a year. 5.Dietary structure adjustment: less food containing saturated fatty acids in the diet and more vegetables are beneficial to the prevention of ovarian cancer. 6.Oral contraceptive pills: oral contraceptive pills can reduce the risk of ovarian cancer.