Social media use in public servants of the district has been highly increased in last five years. This study examined the social media impact on social life of public servant in Mari Mansa District Dawuro Zone Southern Region Ethiopia. Simple random sampling technique was conducted from June 2019 to May 2020 in Mari Mansa district. 142 public servants for the study used which was used as sample size questionnaire was used to elicit information from respondents. The semi structured questionnaire used for this study was purposely designed to suit the study. The result was analyzed in terms of SPSS 20 and descriptive statistics followed by inferential statistics. Facebook, Messenger, Imo, Twitter, Gmail, Telegram, Instagram and TikTok are social media used by district public servants. Social media has positive and negative effects on office job performance, idea share, create new and improve old and customer satisfaction. To send and receive messages to friends, family and relatives, as fashion and globalization, to send and receive reports, to share field visit and observation, to visit different media are the main purposes of public servant use social media. There are many challenges in using social those caused by economical, social and technological.