This report takes Quanjude as the research object，systematically combs the development process and current situation of Quanjude’s internationalization based on field research and interview survey，and focuses on the motivation of Quanjude’s internationalization development and the key factors for the success of internationalization. It is found that enterprise strategy drive，absence of international market and national policy guidance are the main drivers of Quanjude’s international development；The strategic firmness with cultural communication as the initial intention，the development guarantee force supported by national policies，the core competitiveness supported by product innovation and the risk controllability of franchising are the key to the success of Quanjude’s internationalization. Combined with the development environment at home and abroad and the actual development of enterprises，this report believes that we should constantly improve the cultural inheritance and protection mechanism of “time-honored brands”，promote product technological innovation and brand internationalization，and strengthen the management and support of the headquarters for overseas franchising，and paying attention to the resonance of corporate cultural value and economic value，which is an important measure to promote the internationalization and high-quality development of Quanjude.