1. Understand the types and ingredients of infant milk powder 1.1 Types of infant milk powder In the market, we can see various brands of infant milk powder, such as Aptamil, Nestlé, Mead Johnson, etc. These brands of milk powder have different series, such as suitable for 0-6 months, suitable for 6-12 months, etc. In addition, there are also specially formulated milk powders, such as hypoallergenic formulas, special nutritional formulas, etc. 1.2 Ingredients of infant milk powder Infant milk powder mainly consists of whey protein, casein, sucrose, starch and other ingredients