Abstract:Based on questionnaire method, the present study was conducted among 578 Chinese college students to investigate the influence of perfectionism on academic procrastination and to explore the mediating effect of time management disposition as well as the moderating effect of self-esteem. The results showed that: (1) positive perfectionism significantly and negatively predicted academic procrastination, there is a significant positive correlation between negative perfectionism and academic procrastination; (2) Time management disposition played a partially mediating role between positive perfectionism and college students’ academic procrastination; (3) The mediation of time management disposition was moderated by self-esteem. This link of time management disposition and academic procrastination was stronger for college students with high self-esteem than for those with low self-esteem.