Cold and flu sufferers can eat crayfish in moderation if they are not allergic. Cold and flu people suitable for light diet. Crayfish contains protein and other nutrients, if not allergic to crayfish, can eat crayfish during the cold, basically will not have a special impact on the cold condition, but pay attention to the fresh ingredients, should be eaten in moderation, and cooking flavor should not be too heavy. Note that if you eat skin redness, swelling, rash and other discomforts need to seek medical attention. For those who have fever, cough, sore throat, runny nose and other cold symptoms, it is recommended to take appropriate symptomatic and corresponding treatments under the guidance of a physician, and do not take medication on your own. During the period of illness, pay attention to rest, monitor body temperature, drink plenty of warm water, pay attention to warmth, do not stay up all night and do not work hard.