Based of previous research in psychology scientists, which is found that most students do procrastination on their assignments and introverted personality types have a significantly correlated with academic procrastination behavior.  This study aims to examine how introvert personality types contribute to academic procrastination. Sampling is done by purposive sampling. Respondents in this study were 260 students, after screening there were 130 students who could be used as research samples. This study uses two scales, namely the introvert personality scale and academic procrastination behavior scale. Hypothesis testing uses simple regression techniques. As a condition for conducting a regression test, a correlation test is performed using the Pearson Product Moment correlation technique, the correlation value is 0.100 with a significance level of 0.258 (p> 0.05), its means there is no significant relationship between introvert personality types and academic procrastination behavior. Because there is no relationship between variables, so there is no need to do a regression test. This shows that the hypothesis in this study is rejected, meaning that there is no contribution to the tendency of introvert personality types toward academic procrastination behavior. Researchers found its happened because, newday there is differences methods in communication with student has introvert personality type, influenced by information technology.