1. Causes of baby\’s runny nose: Baby\’s runny nose is a common symptom, usually caused by colds, allergies, laryngitis, etc. If your baby has fever, cough and other symptoms, it is recommended to seek medical treatment in time. 2. Food taboos for babies with runny nose. During the baby\’s runny nose period, you need to pay attention to avoid eating some irritating foods, such as peppers, mustard, etc. Additionally, foods rich in protein and fat, such as meat and greasy foods, should be avoided. 3. Food suitable for babies with runny nose. When your baby has a runny nose, you can give your child plenty of water and an appropriate amount of vitamins.