T This aims of this research to investigate the effect of electronic word of mouth (e-wom) on purchase intention through instagram and tiktok. the e-wom dimensions tested were the quality of e-wom, the quantity of e-wom, the credibility of e-wom,and the information provider expertise of e-wom. this research is a quantitative research to test the causality relationship based on the research hypothesis developed.the sampling technique uses a purposive sampling technique with the several criteria that respondents are instagram and/or tiktok users, respondents have experienced e-wom communication through instagram and tiktok from influencers, and have not purchased certain products or services from e-wom communications that were provided by influencers. data analysis uses the multiple lienar regression as the statistical analysis instrument. the results obtained are that the quality of e-wom, the quantity of e-wom, the credibility of e-wom, and the information provider expertiseof e-wom, have a positive effect on purchase intention. this research provides managerial implications for increasing the quality of e-wom, the quantity of e-wom, the credibility of e-wom, and the information provider expertise of e-wom toincrease interest in buying products or services that is communicated by influencers.