To determine whether a child’s fever is caused by a cold or an accumulation of food, it is important to look at the symptoms of the illness as well as the triggers. Colds caused by exposure to cold are usually due to discomfort after exposure to cold, such as being caught in the rain, while colds caused by accumulation of food are due to indigestion caused by large amounts of food, which can be initially differentiated by the content of food eaten before the cold. Colds caused by cold, in addition to fever, headache, depression, nasal congestion, runny nose, cough, cough phlegm and other symptoms, and fever more recurring; and food-induced colds, in addition to fever, the main manifestations of abdominal distension, abdominal pain, diarrhea, loss of appetite and other digestive tract symptoms. Through the above two points can basically distinguish, but still need to go to the hospital, targeted treatment.