You can have sex during the HPV vaccination and it will basically have no effect on your body and will not affect the effectiveness of the vaccine. However, it should be noted that it is important to prevent viral infections during the HPV vaccination, as any viral infections that occur may cause the vaccine to become ineffective. The HPV virus is mainly transmitted through sexual contact and HPV vaccination can effectively prevent the occurrence of cervical cancer, therefore, during the vaccination period The HPV vaccination can effectively prevent the occurrence of cervical cancer, so during the vaccination period, you must pay attention to the health care work and pay more attention to personal hygiene.