The following factors may cause vomiting in children with colds: 1. Gastrointestinal colds may cause vomiting, but also diarrhea and varying degrees of fever, accompanied by a sore throat or sneezing, runny nose, etc. 2. The phenomenon of vomiting can occur because of indigestion. 3. The coughing caused by the cold can lead to reflex vomiting under the stimulation of the cough. When the child has a cold with vomiting, drink more warm water to prevent vomiting that leads to dehydration, and take antiviral drugs such as oseltamivir pellets to treat the flu.