The purpose of this research was to examine the effect of humor on mental health and social support, focusing on the type of humor. The result of this study indicated that there was a significant difference between men and women only in offensive humor expression. Moreover, the high social support group indicated higher humor expression of all the forms than the low social support group. This result suggests that humor expression of all forms are useful to obtain social support. The low social support group had higher uneasiness and lower well-being than the high social support group. Therefore, social support is useful to promote the both of positive and negative mental health.
It was indicated that three kinds of humor expressions affect social support in path analysis. Furthermore, social support affects happiness and uneasiness. In this research, it was shown that the influence process of humor on mental health was different according to the form of humor expression
