Core Viewpoint - The rise of "Nai Pi Zi" (milk skin) represents a significant trend in the food industry, driven by consumer demand for natural, handmade, and culturally resonant flavors, marking a shift from exotic to local tastes [5][34][42]. Group 1: Product Popularity and Market Response - "Nai Pi Zi" has become a natural hit in the food scene, gaining traction without brand backing, primarily due to its unique flavor [3][5]. - The product's popularity has led to a surge in social media engagement, with platforms like Xiaohongshu seeing increased search interest and user-generated content [3][39]. - The demand for "Nai Pi Zi" has resulted in long queues at stores and a noticeable increase in raw material prices, affecting supply chains [21][25]. Group 2: Cultural and Culinary Significance - Originating from Inner Mongolia, "Nai Pi Zi" is a traditional dairy product that has been reinterpreted in urban bakeries, gaining a cultural significance as a symbol of authenticity and craftsmanship [7][9]. - The product's preparation process, which involves a labor-intensive method, adds to its perceived value and aligns with current consumer preferences for "clean label" foods [25][28]. Group 3: Industry Innovation and Competitive Advantage - "Nai Pi Zi" has emerged as a key innovation in the baking industry, providing a solution to the homogenization of products and offering a unique selling proposition through local ingredients [31][33]. - The integration of "Nai Pi Zi" into various baked goods has allowed brands to differentiate themselves in a competitive market, appealing to consumers' desire for authentic and emotionally resonant experiences [28][39]. Group 4: Future Outlook and Sustainability - The sustainability of "Nai Pi Zi" as a trend will depend on maintaining quality and continuing innovation, ensuring it evolves from a fleeting fad to a lasting staple in the culinary landscape [42].