Level 1: Reasons why babies often spit up milk. In the first few months after a baby is born, due to immature digestion and improper feeding methods, babies may often spit up milk. There are many reasons for this: overfeeding, eating too fast, incorrect posture, etc. In addition, babies may also suffer from gastroesophageal reflux, allergies and other diseases. In order to prevent babies from spitting up milk frequently, parents need to pay attention to the following points: 1. Feeding frequency should be between 6-8 times, and each feeding time should not exceed 30 minutes. 2. Keep the baby\’s head slightly higher than the body when feeding. 3. Give up the treasure