The main purpose of this study was to explore the cognition and attitude of the online privacy right of the students in the higher grade of the elementary school. This study adopted the questionnaire and the interview as the research method. 684 students in the higher grade of the elementary school in Tainan City were research subjects and 12 of these students were selected to be interview subjects. The conclusions of this study were as follows:1. Students in the higher grade of the elementary school had the good cognition of the online privacy right, and positive attitude of the online privacy right.2. Female students in the higher grade of the elementary school performed better than male students on the cognition of the online privacy right.3. An average of students who used fewer time on the internet every day in the higher grade of the elementary school performed better on the cognition of the online privacy right.4. Female students in the higher grade of the elementary school performed better than male students on the attitude of the online privacy right.5. An average of students who used fewer time on the internet every day in the higher grade elementary school performed better on the attitude of the online privacy right.6. There was a significant correlation between the cognition and attitude of the online privacy right of the higher grade elementary school students.