The paper introduces the model of the elements of user experience, taking the Wanfang Med Onlineas an example, describes the application and embodiment of the five-story structure of the elements of user experience in Wanfang Med Online design procedure It focuses especially on the design of the retrieval system of Wanfang Med Online, including the structure of a system , the functions and features of the retrievalkernel, and retrieval kernel-based extended application Furthermore, the next step design plan for the system is also introduced.