Fever without symptoms in a 5-year-old child may be due to toddler’s emergency rash, early stage of cold or gastrointestinal illness. 1. Early childhood emergency rash: the disease is a viral infection, in the early stage of the disease, the child only shows fever symptoms, that is, no symptoms of fever. After the body temperature returns to normal through the application of antipyretic drugs, more rashes may appear on the local skin, which may be accompanied by digestive and respiratory symptoms, such as coughing, runny nose, vomiting and other symptoms. 2. Early stage of cold: In the early stage of cold, some children may only have fever, not accompanied by symptoms such as runny nose and cough. With the gradual progress of the disease, symptoms such as runny nose and sneezing may appear gradually. 3. Gastrointestinal diseases: common in acute gastroenteritis, in the early stage of the disease, children may only show no symptoms of fever. Gastrointestinal symptoms such as nausea and diarrhea may follow. In addition, there are other reasons that can lead to such symptoms. 5-year-old children without symptoms of fever, parents should pay attention to the child as soon as possible to take the child to the doctor, clear the cause of the disease, early targeted treatment.