The aim of the study was to explore the mediating effect of meaning in life on the relationship
between meaning making about process of achieving long term goals and happiness. 180 college students
completed the open questionnaire about personal long life goal, also rated the scales of meaning making,
meaning in life and subjective well-being. The correlation analysis, hierarchical regression analysis, and
sobel test were examined. The results as followed. First, meaning making, meaning in life and happiness
were positive correlated. Second, the relationship between meaning making about process achieving long
term goals and happiness was completely mediated by meaning in life. The finding suggested that meaning
making and meaning in life can help to enhance happiness in college students. Also the results supported
that meaning in life was important factor that affects subjective well-being in Koran college students.
Finally, the limitations were suggested for future research.