This study investigated the frequency of college students\' procrastination on academic tasks, the reasons for procrastination behavior, and relation between procrastination and time management. A total number of 534 college students participated in the study. The students responded to a self-report questionnaire on procrastination(PASS) and time management(TMB). Over 30% of students frequently procrastinated on writing a term paper, studying for exams, and reading weekly assignments. A high percentage of students reported problems with procrastination and wanted to decrease their procrastination behavior on studying for exams. The major reason for procrastination behavior was laziness. Self-reported procrastination was negatively correlated with time management behavior. Students with high procrastination was different from students with low procrastination in time management behavior. Students with high procrastination obtained lower score on four time management subscale(setting goals and priorities, the use of Mechanics, preference for organization, and the perceived control of time) compared to students with low procrastination.