User portrait, also known as user role, is a tool to outline target users, customer needs and specific related design directions, and has been widely used in various fields. The role formed by the user portrait needs to be representative, so as to represent the main users of the required products.

User portraits can make customers more focused and improve the efficiency of work decisions. When there are differences in product management decision-making, the decision-makers will discuss the consistent users with roughly the same direction, thus improving the decision-making efficiency. To build and improve the user portrait, we must find the right foothold and work hard from the user's point of view.

Brand building and user portrait improvement, recommend consulting platform, and click to start digital customer experience management. CEM platform is a one-stop customer experience management platform under the China Research Institute. Relying on the comprehensive online and offline research execution ability and data analysis ability, Beijing Normal University has to automatically extract topics and emotions based on the real feelings of customer experience, and combine the division of labor to personalize the analysis results of customer experience data to provide institutions with "more accurate, faster and more effective" customer experience products and services.