The purpose of this study is to investigate into the practical cases of social marketing and to seek the practical strategy in fashion business. These practical cases were investigated through theses, professional books, fashion magazines, fashion newspapers, daily newspapers and web site, etc. The results of this study were as follows : 1. The social marketing by decision-making is able to practice and to set up a strategy in consumerism, humanism and environmentalism. 2. The social marketing by feedforward is able to practice and to set up a strategy in business strategy and product strategy. 3. The social marketing by administrative is able to practice and to set up a strategy in product development, price decision, distribution management and advertisement & promotion. 4. The social marketing by total system is able to practice and to set up a strategy in marketing planning and self-audits system.