There are indeed situations where HPV vaccination is not allowed, but there are not as many as 10. Contraindicated groups include women who are preparing for pregnancy, pregnant, breastfeeding or menstruating, and those who have allergies to foods containing yeast or protein, such as allergies to eggs, milk, bread, etc. Patients who have been diagnosed with gynecological inflammation or precancerous lesions such as cervical cancer or warts, or who have colds, fever or reduced immunity are also not suitable for vaccination. In addition, HPV vaccination is not recommended for patients under 8 years of age or over 45 years of age, as well as those with sensitive skin, poor health or after drinking alcohol. HPV, or human papillomavirus, is a sexually transmitted infection, and HPV vaccines include bivalent, quadrivalent and nine-valent vaccines, which are suitable for HPV vaccines include bivalent, quadrivalent and nine-valent vaccines, which are suitable for people of different age groups. The best age for HPV vaccination varies from country to country, ranging from 9-45 years old globally, and is usually best for young women who have not yet had sex. In addition, the younger you are at the time of vaccination, the higher the level of antibodies produced by the vaccine. It is recommended that you undergo a gynecological examination before receiving the HPV vaccine and fully understand your situation to determine if there are any contraindications to the vaccine to avoid adverse reactions after receiving the vaccine. In addition, some people may experience redness, swelling, pain, fatigue and fever after HPV vaccination, which are normal and usually resolve on their own.