Long-term drinking fresh milk ordered daily generally has benefits, but to ensure the safety quality of fresh milk to prevent spoilage. Fresh milk contains high quality protein, fat, a variety of vitamins, minerals and trace elements, etc. It is a food with high nutritional value, and drinking fresh milk every day can timely replenish all kinds of nutrients consumed by the human body. 1, calcium supplement: fresh milk contains a large amount of calcium, and these calcium can be absorbed by the body to enhance bone and tooth metabolism. Especially for children and the elderly who lose calcium quickly, a glass of fresh milk every day is a good choice; 2, make the skin smooth: fresh milk contains some amino acids and vitamins, with antioxidant and beauty effects, amino acids can be used to synthesize collagen, the two effects can be added to promote the skin to become smoother; 3, maintain vascular stability: fresh milk is rich in potassium, magnesium and other trace elements. Can improve brain efficiency, so that blood vessels in the case of high blood pressure to maintain stability; 4, supplemental protein: fresh milk is an important source of high-quality protein for the body, the lack of protein in the human body can lead to a variety of diseases, the Chinese population dietary pagoda recommended that adults should reach 300 grams of milk per day. Therefore a glass of fresh milk per day generally has benefits, but for people with lactic acid intolerance, allergy to milk, etc., it is recommended to try not to drink fresh milk to avoid adverse reactions.