This study aimed to examine the mediating role of perceived stress in the relationship between mobile phone addiction and irrational procrastination. Recent studies have shown that mobile phone addiction can cause or aggravate irrational procrastination. 6220 Chinese college students completed the questionnaires about their information of demographic, mobile phone addiction, perceived stress and irrational procrastination (response rate of 91.6%). Statistical analyses were performed using SPSS

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... 5.0 and PROCESS 3.5. The mediation model was tested using Model 4 in Hayes' Process and the percentile Bootstrap algorithm with deviation correction, repeat sampling 5000 times and calculate the 95% confidence interval. The results show that mobile phone addiction of college students has a significant positive predictive effect on irrational procrastination after controlling for age, tobacco and alcohol use. In addition, mediation analysis indicated significant mediation of perceived stress in the relationship between mobile phone addiction and irrational procrastination in both male and female students.