The purpose of this research is to explore the relationship between web use and web addiction of students at the day division of a certain university of science and technology. This research has adopted the questionnaire survey approach, targeting 1,134 students from the day division of a certain science technology university, using the “Chinese language web addiction quantitative table” as a research tool, to collect information for analysis. This research finds that, according to gender, educational system, department, age, web use time, average web use time per week, and frequency of web use per week, males between the age of 21 and 22 have reached obvious levels of web addiction factors, have reported longer hours of web use and web browsing, and have indicated more obvious phenomenon of web addition. According to gender, web use time, average web use time per week and frequency of web use per week, it is found that makes who have reported longer hours and higher frequency of web use have reached obvious variance at the web addiction high risk group, and have a higher tendency of web addiction. Based on the result, this research will submit respective proposals to schools, instructors, and parents for reference purposes.