Through the case analysis of Luckin Coffee, this paper discusses how the company implements disruptive innovation in the Chinese coffee market in order to proliferate and change the traditional market pattern. The paper first introduces the concept and characteristics of disruptive innovation, and explores the research status of disruptive innovation at home and abroad and the application cases in different industries. Subsequently, the paper analyzes in detail the successful experience of Luckin Coffee in product innovation, business model innovation and technology innovation. The company has achieved the goal of product combination innovation, the integration of online and offline marketing strategy, the innovation of order and delivery mode, and the application of mobile applications and digital delivery system to achieve the goal of subverting traditional coffee chains. The conclusion of the paper emphasizes the importance of disruptive innovation, and Luckin Coffee case proves that innovation is one of the key factors for success, and also provides favorable inspiration and reference for other enterprises. Disruptive innovation is a dynamic and changing area with a positive impact on the sustained growth of businesses and the economy.