Lactose-free milk is a drink that is free of lactose and alcohol. The advantage of lactose-free milk is that it produces less irritation to the gastrointestinal tract, while the disadvantage is mainly that it may cause discomfort in the taste of some people. 1. Advantages: Since lactose-free milk does not contain alcohol and lactose, it produces less irritation to the gastrointestinal tract when consumed by the human body. Moreover, lactose-free milk can make the human body more tolerant to milk, which is suitable for people with lactose intolerance. 2. Cons: Lactose-free milk does not contain lactose, for most people, used to drinking milk containing lactose, so drinking lactose-free milk may cause discomfort in the taste. Lactose-free milk is suitable for lactose intolerant people, drinking lactose-free milk in moderation has many benefits, but not too much, to avoid adverse reactions in the abdomen.