The 4 year old is good to drink 4 milk powder. Four-year-olds are better suited to drink 4-segment milk powder, which is specially designed for children aged 3 to 6 years old, 4-segment milk powder can help children’s minerals, vitamins and other nutrients comprehensive intake, to provide sufficient and balanced nutrition. The formula is divided into four segments, one for each age group, and the other for each age group, as some of the nutrients are too small to be absorbed by the children. There are four segments, one for infants aged 0-6 months, two for children aged 6-12 months, three for children aged 1-3 years, and four for children aged 3-6 years. Most brands of milk powder will have 4 sections of milk powder products, and each has its own characteristics, and children aged 4 to 7 years old mainly from the daily diet intake of nutrients, milk powder can only be used as a nutritional supplement, so the key is still to look at the formula is suitable for the child’s constitution.