Nine-valent vaccine refers to the vaccine used to prevent cervical cancer caused by human papillomavirus infection, and the nine-valent vaccine is suitable for women aged 16 to 26. Nine-valent vaccine mainly refers to the vaccine with the ability to prevent cervical cancer caused by human papillomavirus infection, which can prevent more than 90% of cervical cancer. The nine-valent cervical cancer vaccine is currently indicated for women between the ages of 16 and 26 years old, and it is recommended that women stay for 15 to 30 minutes after vaccination. After receiving the vaccine, women should adjust their diet and eat less spicy and stimulating foods, such as chili peppers, onions and garlic. In addition, after receiving the nine-valent cervical cancer vaccine, they should avoid touching water at the vaccination site to prevent redness, swelling, itching and other uncomfortable symptoms. Nine-valent vaccine is mainly used for the prevention of cervical cancer, women should not relax the screening of cervical cancer after vaccination, and it can not be used for the treatment of cervical cancer. It is recommended to consult a doctor in the hospital before vaccination. If there are symptoms such as pain and redness after vaccination, you should consult a doctor in time.