In the context of intense globalization and international integration, coupled with the rapid evolution of the technological revolution, the hospitality industry is facing increasingly fierce competitive pressures. Consequently, the dual implementation of digital transformation and green transformation has emerged as an imperative trend for organizations to enhance adaptive capacity and maintain market positioning. In this process, Total Quality Management (TQM) serves as a strategic cornerstone, assisting Sofitel Saigon Plaza in standardizing procedures, minimizing operational errors, and optimizing performance. TQM fosters a culture of continuous improvement and encourages proactive involvement across all personnel levels. Furthermore, the integration of TQM with digital technologies and international environmental standards enables the hotel to bolster its competitive advantage while advancing toward sustainable development and elevating customer experiences in the modern era."