Raise human capital can enhance corporate competitiveness. Therefore, how to change an employee's attitude in order to retain talent within an organization has become a major issue. Therefore, This study investigates the relationship between employee participation (EP)、trust and affective commitment (AC). And to observe whether trust mediate the effects of EP on affective commitment or not. Results of path analysis indicate that both perceptions of financial participation (FP) and degree of non-financial participation are (UFP) positively associated with affective commitment.The relationship between FP and AC was mediated by trust. But trust doesn’t has enough mediation effects in the relationship between U