If it is determined that a 20-month-old baby is not allergic to dairy products such as yogurt, it is usually possible to drink yogurt in moderation to provide a certain amount of nutrition. However, when drinking it, you must control the intake and not drink too much at once to avoid gastrointestinal discomfort. Yogurt is mainly made from fermented milk, which is rich in nutrients, especially calcium and protein, and can provide certain nutrition and energy to 20-month-old babies when consumed in moderation, thus promoting their growth and development to a certain extent. However, you need to be careful not to give your 20-month-old baby too much to drink, the protein in yogurt is more, 20-month-old baby’s gastrointestinal tract itself is weak, excessive drinking will increase the burden on the gastrointestinal tract, and even abdominal distension and pain or diarrhea will occur. In addition, when you give your 20-month-old baby yogurt, you can heat it with warm water to avoid it from getting too cold and stimulating your baby’s gastrointestinal tract. In addition, yogurt has a short shelf life, so try to choose yogurt that has been produced recently when you buy it.