You can eat breakfast before HPV vaccination. HPV refers to human papillomavirus, HPV vaccination is not affected by eating, you can eat breakfast normally, but try to avoid spicy and stimulating food, need to remind is prohibited to drink alcohol before vaccination. Before vaccination, body temperature should be monitored, and if there is fever, the vaccination should be postponed. After vaccination need to be observed in the hospital for twenty to thirty minutes, to observe whether there are adverse reactions (such as mild fever, local skin redness, swelling and heat pain, dizziness, headache or other serious allergic reactions, etc.), if there are adverse reactions to be informed to the vaccination doctor in time to carry out the appropriate emergency treatment. Therefore, you can eat breakfast before receiving HPV cervical cancer vaccine, and after receiving the vaccine, you still need to undergo regular cervical cancer screening.