This study investigated the relationship between the elementary students’ parenting style and academic procrastination,and detect the effects of time management disposition on children’s parenting style as well as the mediating role of academic procrastination.Totally,651 older pupils including four-six graders were randomly surveyed. Data analysis revealed that: Father’s rearing style as emotional warmth and understanding, punishment and strictness, rejection and mother’s emotional warmth and understanding, punishment and strictness, rejection, over involvement and protection were not directly correlated to the academic procrastination, while positively correlated to time efficacy and partly correlated to time monitor and time value. Time monitor and time efficacy played a completely mediating role in the model of parenting styles. It is believed that positive parenting style help individuals to form a reasonable tendency of time management and may reduce their academic procrastination to a certain extent.