This paper aims to solve the problems of authenticity and placeness sustainable development of cultural tourism products developed on the basis of national cultural excavation and inheritance. Taking Xijiang's Qianhu Miao Village cultural tourism product "Alpine Flow rception of tourists participating in the "Alpine Flow ience. Furthermore, satisfaction as a validity response after experiencing the placeness perception. The results are as follows:First, the authentic perception of tourists who participate in the "Alpine Flow bvious moderating effect on the authenticity and placeness perception of tourists in the "Alpine Flow On the one hand, the authenticity perception has a significantly positive impact on the flow experience; on the other hand, flow experience can also positively exert an influence over placeness perception. Third, the placeness perception of tourists in the "Alpine Flow aceness of Miao Village cultural tourism products, to provide ideas for the sustainable development of ethnic tourism destination culture and tourism products.