Graduate institutions: Chinese Department of Shaanxi Normal University, Fashion Design Department of Shenzhen University, Behavior Management of Hong Kong Institute of Efficiency Management, and Marketing Management of Tsinghua University. The interdisciplinary knowledge structure and rich practical experience form Mr. Du Xia's style, starting from personality and business characteristics, grasping key systems to solve problems quickly and effectively. He has been the independent designer of VARA brand in the United States and GLNA brand in Australia, the design director of well-known brands in China, the product management consultant of seasonal consulting company, the chief design director of Duxia Studio, and the project management director of China Fashion Research Center (Shanghai Branch). He has hosted and participated in the practical project experience of more than 40 brands in different representative regions such as South, North, China, Europe and America. Including business design positioning, brand model positioning, product competition strategy, business design consultant, product planning, product development, executive training and other types of services, covering all kinds of business models from monopoly brands to logistics brands, with rich experience in internal implementation and external consulting. The brands that have served are: Si Nuo Yiwei, Ying Da Women's Wear, Erdos Women's Wear, Jim's Men's Wear, Kardashi Men's Wear, HOZ, Williamson, Zhuang Ji Brand, Mengshuya Pants, Zhu Shi Fiona Fang Sweater, American VERA Brand, Australian GLNA Brand, Hong Kong Shili Design Company, Lin Yan Women's Wear, Shenzhen Baisiji, Chongqing Siliya Group, Xiangyunsha Life Concept Brand, English in 2003. Moral is to help enterprises grasp the core of growth, strive to solve the core of competition and become a brand with core influence. The author of China's first monograph on design execution management, Portfolio, and the founder of ——SRPD model, the first complete business design chain management model in China.