Objective:To investigate the relationship between meaning in life and procrastination of college students, and whether time value plays an mediating role between them.Methods:A total of 605 college students in Guizhou completed general procrastination scale, time value scale and life meaning scale.SPSS 22.0 software and PROCESS maro program were used for descriptive statistics, correlation analysis and mediating effect exploration.Results:(1) The procrastination score of college students was (34.40±7.74), the score of time value was (33.17±4.41), and the score of meaning in life was(46.03±8.81). (2) Procrastination was negatively correlated with meaning in life and time value ( r=-0.38, -0.16 respectively, P<0.01). While meaning in life was positively correlated with time value( r=0.31, P<0.01). (3) The mediating effect of time value perception between meaning seeking and procrastination was 22.6%.The direct effect of meaning in life on procrastination was 77.4%. Conclusion:College students with high meaning seeking is less procrastination, and time value mediates the effect between procrastination and meaning in life.Improving college students' meaning in life is conducive to indirectly reducing procrastination through time value.