Background. The internet addiction has numerous physical and psychological effects on health of the student's faculty. Aim: Determine the physical and psychological effects of internet addiction among faculty of Nursing students at Port Said University. Setting: Faculty of Nursing, Port Said University. Subjects and Method: Design: A descriptive design was employed. Subjects: A sample of 124 students from the four academic years at faculty of Nursing, Port Said University, were involved. Tools: Three tools were used tool I. Internet use assessment sheet, tool II the Internet Addiction Test (IAT) to assess internet addiction. Tool III a measure of severity of physical and psychological symptoms as a result of using the internet scale. Results. The study results showed that headache represented a percent score of 60.48 ± 26. 44, while sleep problems represented percent score of 54.19 ± 27.20. The psychological problems percent score 43.68 ± 29.19.  Furthermore, the moderate using the internet was 39.5% among the studied sample. Conclusion: The present study proved that headache, sleep problems and psychological symptoms (fear - depression -anxiety) respectively were the highest sever symptoms resulted from using the internet. There is significant relation between total scores of psychological symptoms, internet using scale and time of using internet. Recommendations: Improve attitude and knowledge regarding physical and/or psychological health hazards of using mobile phone and internet addiction.