翻译过来是:Milk and dairy products have been recognized as the best of human nature, the closest to breast milk the perfect natural food. Milk, at least more than 100 kinds of nutrients, including water, protein, fat, carbohydrate, trace minerals, vitamins, immune factors, such as the activity of human survival nutrients. With the rapid development of China's dairy industry, China's dairy production is also increasing the security of the State departments, experts, business and consumer concerns, and the quality of dairy products depend largely on the quality of raw milk . High-quality raw milk to produce quality products. The quality of raw milk emulsion process has been a key issue, but also the focus of the current study. It goes without saying the importance of milk collection, dairy products companies without adequate, high-quality raw milk as a foundation, the production will be impossible. Milk adulteration of raw materials of chemical and microbiological pollution directly affects the quality of milk and dairy products Key words: raw milk; Quality: security