In response to the background of adopting the lean manufacturing model in shipbuilding enterprises, based on the development goals and overall framework of the collaborative design platform for shipbuilding and offshore engineering projects, the independent development and application verification of case enterprises, and the summary of lean design practices, the theory and literature of lean design, refines and proposes a lean transformation model (LTM) which including the elements of meeting customer needs, processes, employee participation, leadership roles and lean organizational culture etc.. These elements can also be used as components of specific organizational lean transformation. The research applies theories such as lean design to practice, and as of now, based on case studies, summarizes and forms theoretical models, providing reference for the application of manufacturing industries such as shipbuilding and marine engineering.