Two, the solution:
1. If it is because of congenital lactose intolerance patients, although it is caused by congenital causes, but still can drink a small amount of milk, is not completely unable to drink.
2. If you are allergic to cow's milk, you will need to take an allergen test to see the extent of your allergy. Then you can go through a step-by-step desensitization program, which can gradually improve the situation of drinking milk and having diarrhea.
3. If it is an occasional case, it is recommended that you do not drink milk on an empty stomach, do not drink cold milk, do not drink milk after exercise, you can choose different brands and types of milk. If you can't, you can replace it with some dairy drinks and plant milk.