As the applications of digital technology matures, how to implement digital services and project management capabilities for interior design companies has become an important topic. This research is conducted with a case study method that solves the pain points of designers by introducing a digital empowerment platform as a collaborative service solution for designers. The research results show that the establishment of the platform for cross-industry collaborative mechanisms will reduce the construction period and internal management costs indirectly drive the overall operating efficiency of the interior design industry.