Spicy, greasy, overly sweet or salty foods are not recommended for influenza A. Influenza A is influenza A. It is usually a contagious cold caused by viral infection. During the period of illness, patients should pay attention to their diet and not eat spicy, greasy and other stimulating foods. This kind of food is easy to cause stimulation to the body, aggravate the patient’s fever, cold, cough and other symptoms, is not conducive to the recovery of the disease. Common spicy and greasy foods are chili peppers, barbecue, hot pot and so on. Too sweet or too salty food is also not suitable for patients with influenza A. These foods are likely to aggravate nasal congestion, dry mouth and other symptoms. Patients should keep their diet light and nutritious, drink plenty of boiled water and eat more vegetables and fruits, which can promote the body’s metabolism and is beneficial to the condition. Patients with influenza A should maintain dietary taboos, but pay attention to diet can only play a supporting effect on the condition, patients should go to a regular hospital as soon as possible by the doctor to check the active treatment for influenza A.