Background: Using social media is among the most common activity of children's day. It is important that parents become aware of the nature of social media sites, given that not all of them are healthy environments for children. Aim: of the study was to evaluate the effect of educational guidelines for using social media on reducing its use disorder among school age children. Method: A convenience sampling of 100 children at Abass Elakad primary school in Ismailia city throughout the period of data collection aged between 10-12 years old from both sexes to be able to understand the guidelines and have the ability to response with the researchers. A structured interview questionnaire was used to collect the data (pre and post). Children received the educational guidelines after assessing the baseline data. Results: Significant improvement in studied children' manner of using social media and improvement in social media use disorders total scores were observed after 6-month post-intervention and compared with the pre-intervention. Conclusion: The findings of the present study concluded that there is a positive significant correlation between the study variables. Recommendations: The study findings recommended the need for implementing of educational guidelines on wide range since proper use of social media by children can positively affect their health and development. Also, parents should have a continuous education to be able to guide their children for proper social media use.