The raw materials are different and the production processes are different.

1. Different raw materials: Sanyuan Palace buttermilk is made from milk as raw material and is made through fermentation, concentration, drying and other processes, while yogurt is made from milk as raw material and fermented by lactic acid bacteria.

2. Different production processes: The production process of Sanyuan Palace Buttermilk includes steps such as fermentation, concentration and drying, making Palace Buttermilk a product with a thick texture and smooth taste, while yogurt The production process is relatively simple, mainly through lactic acid bacteria fermentation, so that the milk is fermented into a coagulated state, and then simply cooled and packaged.