1, lactose intolerance

You can go to the hospital to do a lactose tolerance experiment to see if it is lactose intolerance. Lactose intolerance can drink yogurt.

2, milk allergy

Some people are allergic to protein; If you are really allergic to milk, try not to drink milk.

3, drink milk on an empty stomach, cold or ice milk directly stimulates the intestines, easy to diarrhea.