There are many kinds of lactose-free milk powder, general anti-allergy milk powder such as amino acid milk powder, and deep hydrolyzed protein milk powder. These two types of milk powder are lactose-free, the price mainly depends on the brand, the price of domestic and imported are different, imported may be slightly more expensive, the price is about 300-400 yuan between, each can is about 400 grams. There is also a milk powder, diarrhea milk powder, is often said to be anti-diarrhea milk powder. It is just lactose free for babies with secondary lactose intolerance, relatively inexpensive, a can of milk powder is also about 400 grams, the price may be between 150-200 yuan, also according to the brand to see.