You can eat kelp in moderation with a cold, but those who are allergic to kelp are prohibited from eating it. Cold is a common clinical acute upper respiratory tract infection, clinical symptoms include fever, nasal congestion, runny nose and cough. Kelp is a kind of seafood, rich in calcium, sodium and other nutrients, moderate consumption of kelp will not aggravate the symptoms of colds, so in the cold period can eat some kelp in moderation. But don’t overdo it, eating too much sometimes tends to lead to stomach upset, which can cause nausea and vomiting, abdominal pain and diarrhea and other symptoms. When making seaweed, try to put as little salt as possible, and the taste is light. Drink more plain water during the cold, and avoid staying up late to ensure adequate sleep, the recovery will be faster. If the patient’s cold is not relieved for a long time, it is recommended to go to the hospital in time for examination and treatment according to the cause.