Pulmonary fever in children is usually caused by external wind evils that enter the lungs and turn into heat, or by internal heat that burns the lung meridians. In fact, the evil heat is strong, but the righteousness has not yet failed, and the righteousness and evil are fighting, presenting a school of solid evidence of internal heat, whose pathology lies in the lungs, commonly seen in pediatric cough, pneumonia and coughing and wheezing, etc. For such children, most appetite is not correct, encourage the child to eat something as much as possible, should not be forced to feed, should be mainly to drink more water. The food chosen can be easily digestible, such as milk, fruit juice, vegetable soup, lean meat soup, thin rice, noodles, etc. These foods should be relatively light, more easily digestible liquid or semi-liquid meals, spicy and stimulating foods should not be eaten. If the symptom relief is not obvious after giving the above treatment, it is necessary to go to a regular hospital for examination.