Lactose intolerance is the inability of infants and children to secrete lactase in their bodies or insufficient levels of secreted lactase, resulting in the lactose in the milk powder not being completely broken down, thus causing symptoms such as nausea, vomiting and diarrhea in babies. The baby with lactose intolerance can drink the following kinds of milk powder: 1. milk powder without lactose, although there are not many babies with lactose intolerance, but it will affect the growth and development of the baby. 2. soy protein milk powder, this kind of milk powder is richer in nutrients inside and The actual fact is that you can find a lot of people who are not able to get a good deal on this kind of things. If you can satisfy your baby with breast milk, you should try to give your baby breast milk.