The project locates in the Taimei Industrial Park, Tianbei Road, Luohu District in Shenzhen and the client is a post-90 entrepreneur with the design background of studying abroad. He hopes that the interior design features his concept of fitness. As lifestyle changes, a gym not only functions as a physical exercising place, but also provides the place for social activity and to promote a healthy lifestyle, which can meet the expectation and imagination of white-collar workers in the city for a new lifestyle and public space. As a result, the space includes a series of leisure spaces: a meeting room, a dining bar, and a tea room. In the whole layout of the space, the comprehensive training area is in the core place, which can directly get the natural daylighting and ventilation. All the spaces are organized around this place, forming transparent public spaces with different levels of privacy. The leisure area locates at the best position near the window, connecting the comprehensive training area with the entrance space. The form of the right-triangle sloping roof highlights the publicity and importance of the leisure area. The people sitting in the leisure space can interact with the person in the training area while watching them exercising. In addition, the old factory building where the gym locates is full of different sizes of pillars, and column space is very small. By arranging walls in the layout, eliminates and weakens the sense of the existence of the pillars and the inconvenience of using the space with pillars. Meanwhile, the exposed concrete pillars present a unique order and the beauty of the plain. As far as the material is concerned, the floor uses emery wear resistant floor and the rubber mat which can absorb shock and prevents slippery. Part of the wall and floor in the public space use white oak material, creating a warm and cozy atmosphere.