Abstarct: of the present study was to investigate the effect of marketing on social media on the value and intention of repurchasing customers of Semnan sport shops. This research is baxsed on purpose, applied and correlative in nature and has been conducted through survey method. The statistical population of the study was customer of sport stores in Semnan province. From among them 251 people were selected and studied as sample by available sampling method. Data gathering tools were Social Media Marketing Questionnaire (Mehrabi et al., 2014), Customer Value Inventory (Hamidizadeh et al., 2015) and Repurchase Intent Questionnaire (Dorvasula 2004, Rajagat 2011; cited by Ghafouri 1393). The face and content validity of the questionnaires were confirmed by experts and the reliability of the questionnaires was assessed and confirmed by Cronbach's alpha coefficient. Data were analyzed using Spss25 and Smart-PLS2 software. The results showed that social media marketing activities had a significant positive effect on re-purchase intention; social media marketing activities had a significant positive effect on customer e-value; customer e-value had a significant positive effect on purchase intention and media marketing activities. Social indirectly has a significant positive effect on the intention to repurchase through customer value. So sports shops can use their social media capabilities to consolidate their customer relationships and make them loyal customers.