Cheese is a fermented dairy product, and its properties are similar to ordinary yogurt. Both of them are made by fermentation process, and also contain lactic acid bacteria which can be used for health care. However, the concentration of cheese is higher than yogurt, and it is similar to solid food, so its nutritional value is richer. Each kilogram of cheese products is concentrated from 10 kg of milk, which is rich in nutrients such as protein, calcium, fat, phosphorus and vitamins. This is a pure natural food. Technically, cheese is fermented milk; As far as nutrition is concerned, cheese is condensed milk.