Background: Smartphone addiction is an excessive use of smartphones that interfere with everyday life. Some studies have found the impact of smartphone addiction, such as psychological, biological, social, and cognitive impacts. Preliminary study results of the student's use of smartphones have been made to 22 respondents. From the results of the survey can be concluded that the nursing students in the university have the behavioral characteristics of smartphone addiction. Aim: To know the overview of smartphone addiction of nursing students in one of the private university in Tangerang. Reseacrch Method: This study used quantitative descriptive method with a cross-sectional approach. The study was conductet on April to May 2020. The sample in this study were 281 nursing students. The instrument of this study used Smartphone Addiction Scale Short Version (SAS – SV) questionnaire. Sampling techniques is purposive sampling and data collected was analyze use univariat analysis. Results: Research shows that respondents experienced smartphone addiction with different stages. As much as 1.5% of respondents experienced a lightweight smartphone addiction stage, as many as 69.7% of respondents experienced a moderate stage addiction smartphone, and 28.8% of respondents experienced heavy stage addiction smartphones. Recommendations: For the faculty, it is hoped that this study could be used as a reference to recommend students to visit a counseling center in university to get assistance related to addiction that happens to students; for students are expected to be more aware of the level of addiction in each other.