There are many reasons for 2-year-old babies to vomit such as indigestion, acute gastroenteritis, abdominal cold, etc., the causes of different treatments are different. 1. Indigestion: If the baby eats spicy and greasy food or eats too much, it is easy to increase the burden on the child’s gastrointestinal tract, causing abdominal pain, bloating, vomiting, nausea and other symptoms, if the baby’s symptoms of vomiting are mild, it is recommended that the baby drink more water, massage, etc. If the baby’s symptoms are more serious, it is recommended that the baby take domperidone to promote digestion. If the baby’s symptoms are more serious, it is recommended to take domperidone in time to promote digestion. 2. Acute gastroenteritis: If the baby’s gastrointestinal function is weak, do not pay attention to personal hygiene or long time eating unclean, easy to lead to the baby’s gastrointestinal pathogens infections, caused by the baby’s nausea, vomiting, abdominal pain, diarrhea and so on. It is recommended that the baby oral rehydration salts to prevent the baby water electrolyte disorders, as well as the use of bifidobacteria and other probiotics. 3. Cold abdomen: If the baby’s abdomen is stimulated by cold air for a long time, it is easy to cause the baby’s gastrointestinal tract spasm, which will make the baby nausea, vomiting, diarrhea and other symptoms. It is recommended that parents add clothes to the baby according to the weather changes, to avoid the baby cold. 2-year-old baby vomiting, it is recommended that parents promptly take the child to the hospital after a detailed examination, under the guidance of the doctor to use the above drugs. And the child should keep a light diet, pay attention to personal hygiene.