Precautions for HPV vaccination: 1. HPV vaccination is prohibited for those who have hypersensitivity reactions to the active ingredients of the vaccine or any of the excipient components. 2. Those who have symptoms of hypersensitivity reaction after injection of this product should not be revaccinated with this product. HPV vaccine should be used with caution for the following people: 1. People with thrombocytopenia or other coagulation disorders that can be a contraindication for intramuscular injection should not be vaccinated. 2. Pregnant women or women preparing for pregnancy should postpone vaccination until the end of pregnancy, and breastfeeding women should be cautious when vaccinating. 3. Acute diseases are often accompanied by fever and other systemic symptoms, vaccination may aggravate the symptoms, and it is recommended to be vaccinated after recovery. 4. Because some women have different degrees of menstrual discomfort, it is recommended that they be vaccinated during non-menstrual periods. It should be noted that cervical cancer screening should still be performed after HPV vaccination.