本研究目的是希望瞭解高中職學生空閒時間網路使用動機與網路成癮的關係。研究對象爲金門98學年度在學高中職學生，研究工具問卷，立意抽樣，共發600份問卷，獲得522份有效問卷，統計分析計有：百分比、平均數、T檢定、單因子變異數分析、卡方及Pearson's r相關分析。重要發現如下：網路使用行爲會因爲學生的性別、學校類別、父母教育程度及家庭經濟而有所不同。學生最主要的網路使用動機：下載資訊、網上欣賞、網路遊戲。男生在空閒社交的動機大於女生，女生在教育學習與工具使用的動機大於男生。勞工類子女的網路成癮高於公教人員子女。高中學生在教育學習的動機顯著大於高職學生。

The purpose of the study is to understand the relationship between subjects' motivation of using internet and their addiction to internet, using the senior high school students in Kinmen of the 2009 academic year as the subjects. The instrument of the study is questionnaire; the sampling method is purposeful sampling. 600 questionnaires are distributed, among them 522 are effective. Statistical analysis conducted include: percentage, mean, T-test, one-way ANOVA, Chi-Square, and Pearson's r. The findings: The main motivations of their using the internet are: information downloading, multimedia contents browsing, and online gaming. Male students are more motivated to use the internet as a mean of leisure and socialization, as their female counterparts are to use it as a tool for education and utility purposes. Students with blue collared parents suffer a more serious addiction to the internet than those with parents whose occupations are governmental employees or teachers. The motivation of using the internet for educational purposes is significantly stronger in the students of general senior high school than that in the students of vocational school.