GB/T 19695-2008 is a standard for Xiuyou, a geographical indication product. It specifies the specific geographical source of Xiuyou, and stipulates the definition and protection scope of the product. In terms of technical requirements, it stipulates the raw materials, senses, physical and chemical indicators, such as color, aroma, taste and other sensory characteristics, acid value, peroxide value and other physical and chemical values. It also regulates the test, inspection rules and signs, Encasement, transportation, storage, etc. This standard aims to protect Xiuyou's unique quality, promote its standardized production and market norms, and enhance Xiuyou's brand value and market competitiveness.