酸汤出黔、脆哨入沪，地域美食何以走向全国？

Core Insights - Pinduoduo's "trillion support" initiative has significantly boosted the popularity of regional delicacies such as Guizhou sour soup, Hunan spicy strips, and Huizhou mooncakes, with related product SKUs increasing by 40% year-on-year and the number of post-00s merchants growing by 48% [1][2][4] Group 1: Regional Food Trends - Guizhou sour soup has expanded beyond its traditional markets due to improved fermentation technology and targeted small packaging for new customer demographics, achieving online sales exceeding 20 million yuan [2][4] - The introduction of 110g packaging for Guizhou crispy strips has led to a 2-3 times increase in sales in the Jiangsu, Zhejiang, and Shanghai markets, with the order share in these regions rising to over 40% [4] - Huizhou mooncake merchants upgraded packaging from traditional paper boxes to iron boxes, resulting in rapid sales and establishing the product as a popular gift item among urban professionals [4][10] Group 2: Merchant Innovations - Huizhou's traditional snack brands like Three Squirrels and Qiaqia have leveraged Pinduoduo's data-driven marketing to innovate new products, achieving significant sales growth and entering the high-end market [5][8] - New brands in Hunan, such as Nanjing Bridge, have successfully launched spicy snack products targeting health-conscious consumers in first- and second-tier cities, achieving annual sales in the millions [6][7] Group 3: Economic Impact - The rise of regional delicacies has created job opportunities across the supply chain, with Guizhou sour soup's success leading to increased demand for local agricultural products and boosting farmers' incomes [10][11] - The production capacity of Huizhou mooncake factories has surged, with new facilities operating at full capacity to meet rising demand, further contributing to local employment [11]