To explore the optimization strategies of user experience and interaction design in Internet product design, so as to design Internet products that are more in line with user needs and user experience. Conceptual analysis method was used to study user experience and interaction design in Internet product design. It was proposed to follow the consistency of user experience design and the personalization of user experience design. It was also proposed that in interaction design, the interface should be consistent with user perception habits, easy to be perceived by users, help users form memories when they grow, awaken user memories, and focus on user emotions and emotions, Make them have a pleasant experience. As the basis of product innovation and development, user experience and interaction design explore the actual needs and manifestations of users from a deeper level, which is conducive to the promotion of Internet products.