The nine-valent cervical cancer vaccine is useful. The nine-valent cervical cancer vaccine is a specialized vaccine that prevents HPV infection, mainly against the nine subtypes of HPV, and it is the vaccine that prevents the most types of cervical cancer among the three cervical cancer vaccines that have been introduced. It is a three-shot vaccination program, and the protection rate can be as high as 92% after the whole program. However, it is not recommended for those preparing for pregnancy or those who are already pregnant, and alcohol should not be consumed on the day after vaccination. Cervical cancer is one of the most common malignant tumors in women, and the cervical cancer vaccine can prevent cervical cancer by preventing HPV infection, therefore, the cervical cancer vaccine has an important role in the prevention of cervical cancer, and it is recommended to receive the cervical cancer vaccine when the economic situation permits and the conditions are met.