Vomiting in children exposed to cold can be self-cured when the symptoms are mild, but in severe cases, hospital treatment is needed. After a child is exposed to cold, the intestinal immunity decreases, there may be fever, abdominal pain, nausea, vomiting, diarrhea and other gastrointestinal cold symptoms, most of which are related to viral infections and are self-limiting diseases. If the symptoms of vomiting are mild, it can be treated without medication, and can be cured by itself in 3-7 days in general. If the child’s vomiting symptoms are frequent, resulting in the child can not eat, poor mental state, or combined with bacterial infection, there may be diarrhea, fever and other symptoms, it is necessary to take the child to the hospital pediatrics in a timely manner, under the guidance of a professional physician to give rehydration, anti-inflammatory and other treatments.