The objective of this study is to analyse the college students' Internet information activities and life satisfaction with their personality types. For this study, data were collected using self-designed questionnaire which included the items of college students' demographic information, MBTI personality types, and their information activities of the Internet. Total of 480 data were collected and 102 valid data were analysed with the multiple regression using SPSS version 18.0. It was found that extraversion, sensing, thinking, and feeling types of college students were tend to show the higher of their life satisfaction through the online game; introversion, sensing, intuition, thinking, and feeling types of college students were tend to show the lower of their life satisfaction through the internet retrieval; and extraversion, intuition, and feeling types of college students were tend to show the lower of their life satisfaction through the smart-phone messenger use.