Nine-valent vaccine generally refers to the nine-valent HPV vaccine. Attention should be paid to regular hospitals for injection, and after injection, pay attention to skin and diet care, etc. Vaccination is contraindicated for people with drug allergies and fever. Nine-valent HPV vaccine is clinically used for the prevention of cervical cancer, condyloma acuminatum and other diseases, and usually requires three doses of intramuscular injection. Precautions for vaccination with the nine-valent HPV vaccine Do a gynecological examination before the examination to clarify whether HPV infection or other gynecological diseases already exist. At the same time, pay attention to visit regular hospitals for the whole vaccination of the nine-valent HPV vaccine to ensure that the efficacy of the vaccine is fully utilized. After vaccination, you should stay in the hospital for observation for a period of time in order to deal with abnormal situations. After vaccination, you should also pay attention to the rationality of diet, avoiding spicy and stimulating food or drinking alcohol. If you are allergic to the HPV vaccine, or in fever, acute illness, pregnancy, etc., it is contraindicated to receive the HPV vaccine. It is also contraindicated for those who have received bivalent or quadrivalent cervical cancer vaccine. If there are uncomfortable symptoms, such as itchy skin, difficulty in breathing, etc., after vaccination with the HPV vaccine, you should inform your doctor for treatment promptly.