Milk can replenish the body with the required protein, fat, multi-vitamins and minerals, etc., but does not have special effects. 1. Supplementary protein: milk is rich in high-quality protein, casein-based, easily absorbed and utilized by the body. Milk protein, containing a variety of essential amino acids, is an indispensable nutrient for life, helping the formation and repair of tissues. 2. Supplementary fat: milk contains lipids, which can replenish the fatty acids needed by the body and provide energy. 3. Supplementary multivitamins: milk is rich in a variety of vitamins, such as vitamin A, vitamin D and vitamin E, etc. In addition, it contains riboflavin, thiamin and other nutrients, which can help promote the growth and development of the body. 4. Supplementary minerals: milk is rich in calcium, phosphorus, potassium, zinc, magnesium and other mineral elements, especially milk calcium content is relatively rich, is conducive to the growth of bones and teeth. In addition, there are copper, zinc, manganese, iodine, molybdenum and other mineral elements in milk, which are indispensable substances for the metabolism of life. However, milk as a food has no other therapeutic properties, it should also be noted that lactose intolerant people need to drink zero lactose milk.