Cold and flu patients are not suitable to eat stimulating food such as coffee and spicy food, as well as greasy and indigestible food such as fried chicken, fatty meat, pig’s feet, etc. Otherwise, it will aggravate the condition. 1. Stimulating food: Colds often cause nasal congestion, coughing, sneezing and other symptoms, which are more likely to be triggered when the human body is stimulated, so patients with colds should try not to eat stimulating food, such as coffee and spicy food. 2. Greasy and indigestible food: cold and flu patients may have symptoms of loss of appetite, nausea and vomiting. Therefore, cold and flu patients should try not to eat greasy and indigestible food (such as fatty meat, fried chicken, pig’s feet, etc.), otherwise it will increase the burden on the stomach and intestines. After a cold to rest, pay attention to warmth, light diet, can be appropriate under the guidance of the physician for symptomatic treatment.