Abstract:Users of robot e-commerce platform are mainly enterprises, and robot products are of high value, technical content and professionalism, the profit model design is crucial for the development of robot e-commerce platform. According to the market demand and characteristics of the platform, the profit model is designed specifically from the five elements, including value objects, value proposition, value creation, value realization and value protection. Then the value model of the robot e-commerce platform is constructed by using the e3-value modeling and simulation tool. The simulation result is applied to optimal design of the profit model to improve the profitability and competitive advantage of the platform.