Nine-valent can prevent time, or no standard years, some experts expect to be able to prevent 10 to 20 years. After injecting the nine-valent cervical cancer vaccine, it is not 100% able to prevent cervical cancer. There is no exact figure for how long the vaccine can prevent cervical cancer. Some experts estimate that the vaccine can prevent cervical cancer for at least 5 years, and some experts expect that it can prevent cervical cancer for 10~20 years based on experimental data. The specifics also vary, and it is important to pay attention to regular and good cervical cancer screening to prevent the occurrence of cervical cancer. The nine-valent cervical cancer vaccine can prevent high-risk models 16, 18, 31, 33, 45, 52 and 58. In addition, the two low-risk types 6 and 11, to follow the doctor’s advice to vaccinate on time, usually within a year to complete the vaccination can be.