Under the influence of COVID-19, the time of the public spent at home increased greatly, during which the consumption of home decoration, sports and fitness increased significantly. Under the epidemic, the public can not participate in centralized fitness and weight loss exercises, and mobile-based fitness apps and home fitness equipment have become the focus of attention of the home-based fitness population during the outbreak of COVID-19. The purpose of this study is to propose the product interaction and design direction of intelligent fitness system in home application scenarios under the concept of hybrid design, in order to avoid the blind fitness of individuals based on fitness applications and enhance the intelligent fitness in the home environment to bring more scientific guidance and richer experience. The focus of this paper is to establish a fitness system that integrates scientific fitness guidance, online fitness intelligent experience, fitness social contact and fitness products into an innovative design concept of the industry. This concept is based on a survey of family fitness needs and future market demand, as well as case studies.