Different children’s age, pathogenic microorganisms and resistance vary, and their symptoms after the viral cold also differ. In general, the symptoms of pediatric viral colds include: 1, infants and young children: the systemic manifestations are usually heavier, and the corresponding gastrointestinal symptoms, such as vomiting and diarrhea, are more likely to occur in critical condition; 2, older children: the cold usually starts suddenly, manifesting symptoms such as high fever, depression and lack of appetite, etc. A few children can develop a rash, but the symptoms are mild, mostly local symptoms of the respiratory tract. In addition, older children may have paroxysmal periumbilical pain, and a few may have febrile convulsions and other symptoms.