Playing the second shot of the nine-price delay should be completed within one year to avoid failure, the specific need to follow the doctor’s advice. The vaccination time of cervical cancer is relatively not so strict, but it also needs to be injected within the specified time, and this product needs to be vaccinated with three doses according to the immunization program of 0, 2 and 6 months. And according to clinical research data, the interval between the 2nd dose and the 1st injection is at least 1 month, while the 3rd dose is usually given at least 3 months from the 2nd dose. For all the injections, they should be completed within a year to achieve the desired preventive effect. It can be used to prevent HPV virus infection, thus reducing the chance of cervical cancer, so the vaccination with the nine-valent cervical cancer vaccine is very necessary. It should be noted that if the time for the vaccination of the nine-valent cervical cancer vaccine is prolonged too much, the preventive effect of the vaccine may be affected, and the vaccine needs to be re-injected, if necessary, in order to achieve the best preventive effect.