Eating spicy food after vaccination will not cause too much effect, but to avoid eating spicy food on the gastrointestinal tract and skin discomfort, and the vaccine adverse reaction to confuse, the vaccine needs to avoid spicy after vaccination. Nine-valent vaccine usually refers to the nine-valent HPV (human papillomavirus), eating spicy does not affect the vaccine potency, so the vaccine has been consumed after spicy food do not need to be too anxious. However, vaccination can cause fever, nausea, diarrhea and skin rashes and other adverse reactions, if spicy stimulating diet caused by the discomfort is difficult to distinguish from adverse reactions, it is not recommended to eat spicy food after vaccination. In conclusion, eating spicy food will not affect the potency of the vaccine, but in order to avoid confusion with adverse reactions to the vaccine, it is necessary to avoid spicy and stimulating diet after vaccination.