Under normal circumstances, six-year-old children can usually drink milk powder on an empty stomach, but it is not recommended that children who are lactose intolerant drink regular milk powder on an empty stomach. Milk powder mainly contains some nutrients and substances extracted from milk, which hardly cause gastrointestinal irritation, and can usually drink milk powder on an empty stomach. However, it is generally not recommended that lactose intolerant children drink regular milk powder on an empty stomach, which may lead to diarrhea, bloating and other conditions, you can drink lactose-free milk powder. Formula feeding alone for six-year-old children generally does not meet the needs of children’s growth and development. It is recommended that six-year-old children need to add other nutrient-rich foods in addition to drinking milk powder to meet the energy of children’s growth and development, so as not to cause malnutrition and affect the normal growth and development of children. If children drink milk powder after abnormal symptoms, you need to consult a doctor to clarify the cause and timely intervention, so as not to delay the condition.