One year old baby drink infant formula is best, because one week old baby’s digestive ability is relatively less mature, if drink adults drink fresh milk or yogurt, it will cause digestive discomfort symptoms, such as abdominal pain, vomiting and diarrhea and other adverse symptoms. The infant formula is developed according to the physical type of the one-year-old baby, its nutrition is very suitable for one-year-old babies, can provide enough calcium, but also supplement the corresponding probiotics, etc., the growth and development of the baby and intestinal health are better. So one year old baby drink infant special milk powder is good, do not drink adult consumption of fresh milk and yogurt, etc..