Promising growth of Retail encourage demand of well designed Retail Space. Retail Space Design Methodolgy has been evolving to match the vibrant business. From traditional scope include selection of materials, pattern design and signage design etc, retail interior design nowadays become a stream of specialist services. Different strategies are required for new build retail and repositioning of existing retail space. Quality design rely on sophisticated combination of elements, such as space planning, leasing, customer service, flexsiblity for change, operation needs etc. The seminar would share some experience on both Hong Kong and China Retail Architectural Interior Design methodology.