Bullying is a extensive marvel could happen at everywhere. Bullying establish a complex problem in school kids lives. It is a problem that distresses all students, either bullies or victims, and those who joined interpersonal violence. Aim: Assessment the effects of bullying on self-esteem of preparatory school students among rural area in El sinbellawein city. Design: A descriptive cross sectional design was carrying out. Setting: This study was conducted at Abd Ellatif Osman preparatory School, Elsinbellawein city. Subjects: A purposeful sample of 192 children exposed to bullying were recruited for this study. Tools: three tools were used in this study: Socio demographic data sheet, bullying victim scale, and self-esteem Scale. The study finding showed that the a statistically significant negative correlation between studied students' total bullying score and self- esteem score. the prevalence of bullying among study sample lived with married parents and in low socioeconomic status conditioning and more in males than females students. Conclusion: negative correlation between studied students' total bullying score and self- esteem score. Recommendation: Educational program for parents of children and their teachers to decrease aggressive and bullying behavior among students in schools.