generally, you can't drink it after one week. Because it not only reduces the nutritional value and changes the taste, but also causes symptoms of digestive system.

1. Reduced nutritional value: Milk is rich in protein, calcium, vitamins and other ingredients, and has high nutritional value. If the milk has expired for one month, the nutritional components in it will undergo oxidation, corruption and other reactions, and the nutritional value will be reduced, and it will not be able to supplement it if it continues to be drunk.

2. Taste change: Some milk will have off-flavor or abnormal texture when it is overdue for one month, which also affects the taste.

3. Symptoms of digestive system: When milk is overdue for one month, bacteria will multiply in it, which will easily cause abdominal pain, diarrhea, nausea, vomiting and other discomforts. Therefore, in order to ensure food safety and health, it is necessary to avoid drinking expired milk. Before drinking milk, carefully check the production date and shelf life on the package; Usually, milk should be properly preserved and stored in the refrigerator as far as possible, which helps to prevent the growth and reproduction of bacteria.