A cough with a red throat is usually a hot cough because the mucous membranes are red, swollen and congested. In this case, if you use medicine, you must use medicine that clears heat, not Chen Pi, Orange Red, and Radix Panax, which are not recommended for a cough with a red throat. When eating, you should pay attention to the fact that things that are generally on fire are not allowed to be eaten when the throat is red, such as chili peppers, pepper, pepper powder, which are hot, as well as chocolate, coffee, garlic, fennel, which are all hot foods and are not recommended when the throat is red and coughing. Instead, you can use some spinach, celery, cabbage, radish, these things are more moist, and even have some heat-clearing effect, the throat red cough eat these dishes will be better.