For those who are allergic to cow’s milk proteins, they can use other dairy products to replace cow’s milk first, and then gradually increase the consumption of cow’s milk from a small amount until the desensitization is successful. Cow’s milk protein allergy can first consume milk powder, goat’s milk, horse’s milk or synthetic proteins to replace cow’s milk, after stopping the consumption of cow’s milk for about half a month, you can try a small amount of cow’s milk, if the reaction is mild, you can consume cow’s milk again in a few days, and then slightly increase the amount of cow’s milk, and so on to increase the amount of cow’s milk, until the allergic symptoms are reduced or disappeared. If a severe allergic reaction to milk protein occurs during the desensitization process, you should stop consuming milk immediately and go to a regular hospital.