This study attempted to provide basic data on college students' health by identifying the factors that influence college students' ability to understand Internet health information and their intention to use digital healthcare on their health promotion behaviors. Data were collected from April 1 to July 30, 2022, and a survey was conducted with the consent of the subjects. The number of participants used in the final analysis was 152. The questionnaire consisted of sociodemographic characteristics, Internet health information literacy, intention to use digital healthcare, and health promotion behaviors. The collected data were analyzed using descriptive statistics, t-test, ANOVA, Pearson's correlation, and multiple regression using the SPSS 21.0 statistical program. As a result of this study, differences in Internet health information understanding ability according to general characteristics were related to class, proficiency in using health-related apps, and experience using health information apps. Differences in intention to use digital healthcare were related to proficiency in using healthrelated apps and experience in using health-related apps. , differences in health promotion behaviors showed significant differences in satisfaction with major, part-time job, proficiency in using health-related apps, proficiency in using health-related apps, and personal personality. Additionally, the ability to understand internet health information and the intention to use digital healthcare showed a positive correlation with health promotion behavior. The results of the regression analysis showed that the factors influencing health promotion behavior were intention to use digital healthcare and ability to understand internet health information, and the personality of the person appeared to have a conflicting effect on health promotion behavior. The factors used in the analysis were found to explain 26.7% of the factors affecting health promotion behavior of college students