Cervical cancer has become a very dangerous disease for women. During pregnancy, if cervical cancer is combined with cervical cancer, it is mainly in situ cancer or early stage cervical cancer, and most women have no obvious symptoms. Most women do not have any obvious symptoms, but it is only when they come to the hospital because of pre-eclampsia or bleeding before delivery that they can be diagnosed with cervical cancer in pregnancy. The causes of pregnancy-complicated cervical cancer are not clear yet, so clinically, it is mainly due to the time of sexual life and the number of sexual partners, plus the hygiene of sexual life and the infection of human papilloma virus, which can directly trigger the occurrence of cervical cancer. According to these causes, we can adopt different preventive measures. It is best to pay attention to our personal hygiene, especially the harmful effects of cervical cancer, which women must understand, and do a good job of prevention by understanding the causes and prevention of cervical cancer, avoiding disorders in sexual life, and I am late in marriage and late in childbirth. It is better not to use multiple pregnancies and deliveries to avoid causing harm to the cervix. What we have mentioned above are the ways to prevent pregnancy combined with cervical cancer in women. Women must pay attention to their health and learn to care for their own bodies, especially their reproductive organs, including cervix and ovaries, etc. Men who are circumcised must be treated as early as possible to avoid cervical cancer in the female partner.