Pure milk has a shelf life of 45 days, after the expiration date, do not drink again, because the expiration date of the milk, it is very likely to breed bacteria or toxic substances, if people continue to drink, it is very likely to cause food poisoning.

For example, abdominal pain diarrhea diarrhea, nausea and vomiting coma, and even triggered more serious consequences, threatening life and health, so for the sake of health, must remember that anything including pure milk, as long as over even more than a day time do not drink again.

Additionally, it is important to preserve the milk. 1, fresh milk should be placed in a cool place immediately, preferably in the refrigerator.

2, do not let the milk exposed to sunlight or light, sunlight, light will destroy the milk of several vitamins, but also make it lose its aroma.

3, milk in the refrigerator, the bottle cap to cover, so as not to other odors into the milk.

4, milk poured into a cup, teapot and other containers, such as not finished, should be covered and put back in the refrigerator, do not pour back to the original bottle.