The following types of milk are generally better for children 6 years old: 1. Drink fresh milk, if there is no milk protein allergy, mental state is also relatively good, no constipation, vomiting, cough and other symptoms, this time you can drink pure milk. If you are a child, you can drink sour milk because it can adjust the stool and make it flow smoothly, which can help to relieve the symptoms of internal heat. So what milk to drink for 6 year old children needs to be differentiated according to the type of constitution.