Level 1: 1. Classification of infant milk powder Infant milk powder can be divided into two types: milk-based type and special formula type according to its different formulas. Milk-based type is made from milk as raw material, with added nutrients such as protein, fat, sugar, and vitamins. Special formulas are designed to address certain problems, such as lactose intolerance, allergies, etc. Level 2: 2. How to choose infant milk powder suitable for your baby. When choosing infant milk powder suitable for your baby, you should consider the following factors: 1. Baby age: Babies at different stages require milk powder with different proportions of nutrients. 2.Baby’s health condition