One year old baby eat bad stomach vomiting may be indigestion, acute gastroenteritis and other diseases caused by life regulation and drug treatment. 1. Indigestion: when a one-year-old baby takes too much cold, greasy food over their metabolic capacity, may lead to gastrointestinal peristalsis slow down the symptoms of eating bad stomach vomiting. Can be appropriate exercise, avoid cold, greasy, fried food, drink warm water, you can also take compound pepsin to help digestion, vitamin B6 to stop vomiting, can relieve the symptoms. 2. gastroenteritis: one year old baby eat bad stomach vomiting may also be bacterial, viral infection caused by gastroenteritis. If the bacterial infection, according to the drug sensitivity selection application of antibacterial drugs, such as cefixime. If it is a viral infection, it is self-limiting and can be treated without special medication. If the vomiting is severe, oral rehydration salts should be taken, and attention should be paid to avoid dehydration. If necessary, infusion treatment. One year old baby eat bad stomach vomiting may also have intestinal obstruction and other causes, it is recommended that the hospital for further examination of abdominal ultrasound, blood routine and other items in the doctor’s guidance, do not recommend self-medication. The above medications should be used in accordance with medical advice.