This study explores the relation between carbon reduction performance and firm performance in Taiwan capital market, and explore the relation among family firm, carbon reduction performance and long-term firm performance. The research covers samples of the listd companies in Taiwan Economic Journal(TEJ) from 2015 to 2018, also regard family firm and firm performance as explanatory variable, expecting family firm do carbon reduction performance will improve long-term performance. The empirical results show that doing carbon reduction performance can improve firm performance, compared with non-family firm, family firm doing carbon reduction performance can improve long-term performance.