Based on the avoidance model, self-efficacy and work alienation were used as mediating variables, and approaching propensity and avoidance propensity were moderating variables, and a theoretical model of work connectivity behavior after-hours on employees’ procrastination was constructed. The data of 281 employee questionnaires was processed and analyzed. The results show that work connectivity behavior after-hours and approach tendency positively interacts with self-efficacy, and reduces the generation of procrastination at work through self-efficacy. Work connectivity behavior after-hours and avoidance tendency positively interacte with work alienation and promote procrastination through work alienation.