Influenza refers to the common cold. Usually, patients should avoid eating cold, spicy, irritating and greasy food. Influenza is mainly caused by viral infections. Some people with no complications and good health usually recover in 3~14 days, but some people with serious illnesses need to follow the doctor’s instructions for treatment. There is no direct relationship between the disease and diet, and patients should pay attention to a reasonable diet. Influenza patients should try to avoid eating cold, spicy stimulating food, as well as greasy, pickled products, such as ice cream, chili peppers, fried chicken, pickles, etc., so as not to affect the body to restore health. In order to promote the recovery of the body, in addition to pay attention to a reasonable diet, patients should also be appropriate physical exercise, which helps to enhance physical fitness. People with influenza are advised to strengthen life care and increase or decrease clothing according to temperature changes in a timely manner. Avoid close contact with other people during the period of illness, open windows and windows at home, and drink plenty of water.