Patients who have eaten seafood after the new crown vaccine, if you do not feel uncomfortable, do not worry too much, pay attention to observation can be. If there are rashes, abdominal pain and other discomforts, it is recommended to go to the hospital in time for examination and targeted treatment. Some patients are affected by individual differences after vaccination, there may be slight pain, redness and swelling at the injection site, or feel nausea, fever, headache, muscle pain, diarrhea and other discomforts. Eating seafood at this time may cause irritation to the gastrointestinal tract, aggravating nausea, vomiting, diarrhea, etc. Moreover, seafood belongs to the hair products in Chinese medicine, which may aggravate the redness, swelling and pain of the injection site. In addition, seafood belongs to foods that are easy to be allergic to, and if an allergic reaction occurs after vaccination, it is impossible to determine whether it is caused by seafood or by the vaccine, and it may cause interference with the subsequent vaccination. For patients without obvious discomfort, it is appropriate to drink more water to accelerate the body’s metabolism. At the same time, attention should be paid to avoid eating spicy food, seafood, etc. for 1 week after subsequent vaccinations, pay attention to rest and avoid strenuous exercise.