Generally, the appropriate age for the quadrivalent cervical cancer vaccine is 9 to 45 years old, and the appropriate age for the Septavalent cervical cancer vaccine is 16 to 26 years old. Quadrivalent and Septavalent vaccines usually refer to human papillomavirus vaccine, also known as HPV vaccine and cervical cancer vaccine, which are preventive vaccines. The quadrivalent vaccine and the Septavalent vaccine target different types of HPV. The quadrivalent vaccine prevents against four types, including 6, 11, 16, and 18, while the Septavalent vaccine prevents against nine types, including 6, 11, 16, 18, 31, 33, 45, 52, and 58. If the age is appropriate, it is best to inject the nine-valent vaccine, the effect is better, but more than 26 years old can not be injected with the nine-valent vaccine, can only be injected with the quadrivalent vaccine, cervical cancer vaccine allergy, pregnancy and lactation should be avoided by females, after the vaccination, fever, nausea, dizziness, and other discomforts, if continued to be unrelieved need to be timely medical standardization of the treatment. In addition, women who have sex before vaccination should undergo routine cervical cytology screening to exclude precancerous or cancerous lesions of the cervix, and should follow the doctor’s instructions for specific pre-vaccination evaluation.