1. What are the reasons why babies don’t eat? There may be many reasons why your baby won\’t eat, including: oral problems, digestive problems, emotional problems, too much or too little nutritional intake, etc. Oral problems may include gum discomfort, tooth pain, etc., which may make the baby reluctant to chew food; digestive problems may include gastrointestinal discomfort, gastrointestinal infection, etc., which may cause the baby to feel nauseous, vomiting, or have diarrhea; emotional problems may include anxiety, stress etc. This will cause the baby to lose appetite; too much or too little nutritional intake will also affect the baby\’s appetite. 2. How to help babies increase their appetite? head