1. Classification of milk powder 1. Cow milk type milk powder 2. Goat milk type milk powder 3. Soy milk type milk powder When choosing milk powder suitable for your baby, you first need to understand the different types of milk powder. Milk-based milk powder is the most common type, with higher protein content and suitable for most babies. Goat milk type milk powder contains more vitamins and minerals, which is more suitable for babies with weak gastrointestinal problems. Soy milk powder is suitable for babies who are allergic to lactose or cannot digest lactose.