The research aims to explore the business transformation strategy of case company through the induction & deduction of the following data sources : secondary data collecting, questionnaire survey, deep interview & participation observation. The purpose of this research is to find implications or lessons of case company’s transformation experience and providing a reference for other firms in Taiwan’s textile industry. The research results show there are significant change in five dimensions (Mind, Ecosysterm, Resources, Strategy & Implementation) of case company after executing transformation strategy. And this research also discovers the main methods or interfaces of transformation by the case company : globalization, new business model, EEDI (Entry, Exit, Differentiation & Integration) & reposioning function of products. It also supports the view that the case company has transformed toward to the positive direction not only on the financial indicators, but also on the non-financial indicators, and this study case provide a reference to those textile enterprises in Taiwan which plan to up-grade or transform.