A family. There are regional protection regulations for potato flour joining. One county can join one company, and the merchants will make an evaluation in the cooperation area where they are located, and then make reasonable regional planning to control the number of stores in the area. This will ensure that businesses in a certain area enjoy exclusive rights to operate and will not face competitors to grab business. Compared with the traditional catering project, which pursues the business model of intensive opening and extensive layout, the regional protection policy of powder-loving noodles has more advantages and is more reasonable, and the business benefits of merchants have been fundamentally guaranteed.