If you eat seafood during the cold, it is likely to cause skin allergy, skin flushing or small bumps, so you should pay attention to a light diet, eat less seafood, eat more fruits and vegetables, hydrate appropriately, and use anti-cold medication in a timely manner, such as cold and fever granules, compound aminophenalkamine capsules. In addition, we should pay more attention to rest, reduce going out, try not to go to crowded places, the cycle of cold is usually 5-7 days, if the symptoms of cold are still heavy after a week, it is recommended to go to the respiratory medicine department of the hospital for detailed examination, it is best to take chest X-ray, check the blood routine, urine routine, to understand whether the body has the infection, and then choose the symptomatic treatment according to the results of the examination.