As an effective advantage intervention and self-worth realization approach, employees'' Jingyou behavior is the behavior that should be advocated by the organization. In this research, Jingyou behavior was put in the work situation, and grounded theory was used to build influencing factors model of employees'' Jingyou behavior based on cognitive theory. The results show that through the perception of the external matching environment (person-organization fit) and their own regulation system, the employees’ cognition is strengthened, and their Jingyou behavior is also affected. Among them, the Jingyou cognitive factors include the cognition of work value, the cognition of Jingyou autonomous motivation and the cognition of Jingyou self-efficacy. The formation and strengthening of Jingyou behavior is driven by Jingyou cognitive factors directly. External supportive environment (Jingyou atmosphere and cultural, work characteristics) plays a moderating role in this process. The research conclusion reveals the influencing factors and mechanism of employees'' Jingyou behavior, and provides a reference basis for organizations to stimulate more employees'' Jingyou behavior.