The objective of this study is to understand the key success factors for supply chain management in Tianwei’s flower industry. This project provides the result of empirical analysis of the flower industry in Taiwan as a reference for future studies. By researching and organizing related literatures, this study formulated a graph of the key success factor constructs, and also developed a questionnaire based on it. Factor Analysis Method was used to extract the key success factors of supply chain management in Tianwei’s flower industry. The result of this study shows that there are five key success factors of supply chain management in Tianwei’s flower industry, including the effects of the industrial environment, the promotion form the government and the industrial union, the supportiveness from top management and members, the increase of competition, and the development of training programs and educational system.