Whether it is done or stirred yoghurt yogurt, milk is the same pretreatment, which includes the standardization of the fat and dry matter content, heat treatment and homogenization. Below is a legend yogurt production process design. The milk is pumped into milk processing line in the storage tank. Here, assuming that the production line before entering the milk fat content has been standardized, and is normalized in the dry matter in the evaporator. If the dry matter content is adjusted by adding milk, and the reproduction device are similar to milk. Any additives, such as stabilizers, vitamins, etc. can be quantitatively before the heat added into milk.