Objectives : The purpose of this study was to investigate the knowledge of methods to deal with dental trauma in some middle school students. Methods : Among 375 middle school students, a total of 340 filled out the self-administered questionnaire (response rate of 90.7%). The data were analyzed statistically using chi-square analysis. Results : 32.9% of respondents received emergency care education of dental trauma. Knowledge by general information about dental trauma was not so different from the other questions. Tooth storage medium comprised 25.0% and 48.5% in milk and saline, respectively. Conclusions : In order to get the knowledge about emergency treatment of dental trauma in middle school students, it is necessary to develop the professional education program for middle school students.