With the increasing growth of social economy and the improvement of material standard of living, the types of snacks have become diversified. As the traditional snack, biscuits have developed from a single original taste to a variety of flavors. Now on the market biscuit products has barbecue, seaweed, tomato, chives and sea salt flavor. The birth of the powder mixing machine is closely related to the growing human demand for the taste of biscuits. As the food industry has higher requirements on the powder mixing: high uniformity of mixing, closed production space, no cross contamination, strict batch number management, equipment in line with the requirements of clean areas, etc. Domestic common powder mixing equipment is difficult to fully achieve the above requirements. There are many problems,such as low loading coefficient, high rotation height, difficult to feed in and out, slow speed, poor continuous operation, not easy to clean and etc. In order to change the backward situation of powder mixing equipment in food factories, our technicians have analyzed the new powder mixing equipment in the world from multiple directions and developed and produced a seasoning mixer with horizontal drum continuous mixing and mixing.