Acute upper respiratory tract infection and the patient’s own immunity is reduced, so in the diet to increase nutrition, keep the diversity of food, to a certain extent, can improve the body’s ability to fight disease, accelerate the recovery of patients, diet should pay attention to: 1, diet to high protein, high calorie, high vitamin, low fat, easy to digest food as the principle, the main meal is not enough when you can arrange a small number of meals, avoid before the meal 2, if the patient’s gastrointestinal function is weak, you should avoid food that can easily cause constipation, such as fried, deep-fried food, sugar food, etc., you can eat some dietary fiber-rich food in moderation, such as coarse grains, corn, soba, walnuts, red dates, etc., can laxative to reduce the absorption of harmful substances, promote digestion, which is beneficial to patients Nutrient intake; 3, avoid spicy and stimulating food, while greasy, fatty food should be reduced, during the treatment period to maintain a normal diet can be, do not need additional supplements, because it is not conducive to the body’s digestion and absorption.