It is true that almost 40% middle-small enterprises belong to a micro-business in Taiwan, but their operational period less than one year are creasing, above situations indicate micro-business must focus on how to sustain forever rather than entrepreneurial opportunities. Due to little documents related micro-business, and how to crease the shareholder value of micro-business had not been validated. Therefore this study regards customers of micro-chain stores in the Foods and Beverage Industry as sampling, to explore the relationships between perceived fairness and shareholder value. The empirical results confirm that except the direct path coefficient between interaction fairness and shareholder value is not supported, the other path coefficients are supported in this study. They indicate that a micro-business can utilize the connotations of perceived fairness to reach the purpose of enhancement shareholder value. It can help those enterprises to sustain forever. The empirical results can function as the criteria for business management and strategy.