The bivalent cervical cancer vaccine and quadrivalent cervical cancer vaccine are not adapted to the same population, and have the same ability to prevent cervical cancer, there is no difference between good and bad. Only the quadrivalent vaccine can prevent two more HPV viruses. The bivalent cervical cancer is mainly used to prevent papillomavirus infections of subtypes 16 and 18, which can prevent cervical cancer caused by these two viruses, and is applicable to women aged 9-45 years. Quadrivalent cervical cancer vaccine is mainly used to prevent papillomavirus infections of subtypes 16, 18, 6 and 11. Compared with bivalent cervical cancer vaccine, it can also prevent genital warts due to HPV types 6 and 11, and is applicable to women aged 20-45. The cervical cancer vaccine is recommended to be administered before the onset of sexual intercourse. The price of the bivalent cervical cancer vaccine is lower than that of the quadrivalent cervical cancer vaccine, so women can choose the type of vaccine that best suits them according to their age and financial situation.