This study aimed mainly to explore the level of knowledge, attitudes, behaviors and their related factors about child sexual abuse among teachers and parents in the elementary of Wanhwa, Taipei. It was expected that the findings of this study would provide references of educational interventions and policy making. Methods: The study included the sample of 216 teachers and 557 parents by stratified cluster sampling in Wanhwa, Taipei. The data were obtained using self-developed questionnaire based on pre-interviewing with six teachers and parents each. The data analysis included percentage, mean, t-test, one-way ANOVA and Pearson product-moment correlation.