Drinking milk in moderation has many benefits, such as supplemental energy, protein, calcium, etc., but for lactose-intolerant people, drinking may lead to gastrointestinal discomfort. Milk protein content is high, and easy for the body to absorb, every 100 grams of milk contains about 3.0 grams of protein, 3.2 grams of fat, every day to drink for the body to provide energy. Every 100 grams of milk contains about 104 milligrams of calcium, 73 milligrams of phosphorus and 109 milligrams of potassium, which is one of the best sources of calcium for human beings. According to the “Balanced Dietary Pagoda for Chinese Residents”, it is advisable to consume 300 grams of milk and milk products every day, which is good for your health. It is recommended to have a balanced diet with three meals a day, scientific and reasonable combinations, and drink a moderate amount of milk every day, which is beneficial to your health. However, the carbohydrates contained in milk are mainly lactose, and some lactose intolerant people may experience abdominal pain, diarrhea, bowel sounds and other symptoms after drinking milk, which can easily lead to non-infectious diarrhea, and it is recommended that you choose yogurt, schmaltz milk, lactose-free dairy products to drink, and if you feel unwell, you should seek medical attention in a timely manner. Those who are allergic to milk should not consume milk products.