Milk is not the best to say, different dairy nutrients are not the same, but the nutritional value are higher, secondary school students according to their own preferences and their own conditions to choose their own milk is good. The common milk on the market is rich in nutrients, such as protein, fat, sugar, carbohydrates, a variety of vitamins and minerals and other nutrients, nutritional comprehensiveness, can provide comprehensive nutrition for the body, beneficial to the health of the body. No matter what kind of milk, the nutritional value is high, secondary school students can choose according to their own taste preferences and body tolerance, etc. to choose the right milk for themselves. Secondary school students are in an important moment of growth and development, drinking milk in moderation can supplement the body with comprehensive nutrition, and milk is rich in calcium and easily absorbed, which is conducive to the development of adolescent bones and teeth. It should be noted that those who are allergic to milk and those who are lactose intolerant should drink milk with caution. It is recommended that secondary school students insist on drinking milk every day, dietary arrangements should follow the principle of balanced nutrition, the distribution of three meals is reasonable, each meal should be a combination of meat and vegetables.