(Loess Cave Wine Storage Area) This bare loess layer is the loess cave wine storage area, the whole cave is built on the mountain, so it is called the KaoShanYao. The walls between the caves are bricks, carved with the 24 solar terms and the local paper-cut art. Relying on the advantages of resources and local materials, the winery carefully built a loess cave with a total area of 6435 square meters for the storage of wine.

Cave dwelling is a major feature of residential on the Loess Plateau. Xiangning County is located in the southern end of Luliang Mountain in the western part of Shanxi Province, which is a typical loess plateau landform. Local residents completely retained the traditional loess cave dwelling form, which is an important content of RongZi winery tourism, just like the poem said, friends come from far, do not laugh at the loess cave, although it is not a fairy cave, but it is comfortable to live, for it is warm in winter and cool in summer. The winery relies on the advantages of resources and local materials to create a loess cave wine storage area, which provides natural conditions for the later storage of wine, constant temperature and humidity, avoiding direct light,noise and vibration.