Based on the organizational support theory and conservation of resources of theory, this study constructs worktofamily facilitation model under support resources. From survey of employees in 40 manufacturing enterprises and by using moderated multiple regression analysis, the results show that: worktofamily facilitation under support resources has significant impact on organizational affective commitment, employee job satisfaction and intention to leave. Affectivity has a modevating role on the relationship between worktofamily facilitation under support resources and outcome variables. When the individual’s affectivity tend to be positive, the worktofamily facilitation brought by organizational support theory significantly increased employees’ job satisfaction, organizational affective commitment and reduced the intention to leave.