This study, by testing 649 college students with the Cheek and Buss Shyness Scale, the Chinese Intemet Addiction Scale, and the Social Support Rating Scale, aims to explore shy college students' Interact ad- diction and the social support of them, the effect of their shyness on their Intemet addiction, and the intermediary role of social support in shy college students' possible susceptibihty to Internet addiction. The results are as fol- lows- There is a significant correlation between the college students' shyness, the social support of th...