Yogurt is a kind of fermented dairy products, and does not have the efficacy and role of the treatment of disease, moderate consumption can provide protein and other nutrients. Yogurt is made of milk through lactic acid bacteria and other fermentation, which is rich in calcium, potassium and phosphorus and other nutrients, each 100 grams of yogurt contains 72 calories, of which 2.5 grams of protein, 9.3 grams of carbohydrates, 2.7 grams of fat, Vitamin A26IU, Vitamin C1 milligrams, Calcium 118 milligrams, and Iron 0.4 milligrams. Moderate consumption of yogurt can replenish the body’s energy needs. Its sweet and sour taste can promote the secretion of digestive juices and enhance one’s appetite. Although yogurt is rich in nutritional value, it is not recommended to consume yogurt in excess, otherwise gastrointestinal discomforts such as diarrhea, abdominal pain and bloating may occur. The sugar content in some yogurts is high and should not be taken in excess by diabetics. Dairy allergy and other people are prohibited from consuming it.