It aims to propose the information transmission design methods of online investment based on narration, to satisfy user's cognitive demand and to promote emotional communication. It analyzes two levels of demand(cognition and emotion), and two elements of narration(content and expression), according to the projection matching, and puts forward the information transmission design methods of financial products based on narration. It validates the feasibility of information transmission design methods of financial products based on narration, by detail page design cases. Narration-based information transmission design of financial products is to establish natural dialogue between the products and users, makes online invest easier to understand, the experience more emotional, more interesting interaction, and to establish a deeper connection and trust between the users and the products.