One and a half year old baby eat two chews and spit out this situation is considered to be the emergence of dyspepsia, acute gastroenteritis and other diseases, you need to take your baby to the doctor in time for examination and treatment. 1. indigestion, if the baby has indigestion, digestion and absorption capacity decreased, may have the symptoms of loss of appetite, so will produce this reaction. Usually need to be under the guidance of the doctor to use gastrointestinal elimination tablets, bifidobacteria and other drugs to promote digestion and absorption. 2. Acute gastroenteritis, if the baby has acute gastroenteritis, intestinal flora balance imbalance, this symptom may occur, you can use montelukast, rehydration salts and other medications under the guidance of the doctor, to avoid dehydration or electrolyte imbalance, and if necessary, need to be infused treatment. Usually need to observe the baby’s physical condition, if there is any abnormality need to consult a doctor in time.