"Old-style establishments" refer to products, skills or services with a long history, passed down through generations, and have a distinct background of Chinese traditional culture with a deep cultural heritage, achieving wide social recognition and forming a reputable brand. They are characterized by their historical significance, quality, credibility, nationality, and culture. Old-style establishments refer to both tangible businesses with products and services, and the intangible cultural connotations behind the brand. They not only have economic and commercial value, but also cultural and historical value. Old-style establishments are an important part of Chinese traditional culture, representing and being a beautiful brand for traditional folk commercial culture. Old-style establishment brands are the best products left behind from hundreds of years of business and craftsmanship competition in China, embodying the struggles of generations of people. Currently, there are 155 Harbin old brands that have been recognized by the Harbin Commerce Bureau. These include enterprises with over 100 years of history such as Qiu Lin, Lao Dingfeng, Shi Yitang, Yuquan Winery, Huayuan Baijiu, Madier, Daoli Vegetable Market, Zhengyang River, etc. They are all witnesses of Harbin's history and embody the cultural characteristics of Harbin. Harbin's old brands include six industries: medicine, catering, food processing, arts and crafts, retail, and photography. Through the course "Harbin's Legendary Old Brands," one can not only have a comprehensive understanding of the development history of Harbin's old brands, but also deeply understand the cultural characteristics of old brands and appreciate the unique charm of Harbin's old brands. Harbin's old brand food will leave you with a memorable taste on your tongue, and craft products will let you experience the soul that dances on your fingertips. You can taste the history of old brands and feel the flow of local conditions and customs that are hidden in the stories of old brands. Old brands are a carrier that embodies a culture, a sense, an appreciation, and a legacy. Savoring them, there is taste, life, style, and depth.