This paper aims to explore the effect of technological innovation on family firm performance,and to examine the moderating role of socioemotional wealth in this relationship using the data of 251 family firms in Zhejing and Chongqing.First,we find that technological innovation has a significant inverted-U-shaped relationship with family firm performance.Second,the effect of technological innovation on family firm performance is negatively moderated by socioemotional wealth.That is,technological innovation will have a less effect on family firm performance as the preservation of socioemotional wealth increases.The paper not only riches the relative research of the technological innovation in family firms,but also gives references to the technological innovation and growth of Chinese family firm.