Current developments in digital marketing technology are suspected to increase consumer impulse buying behaviour. This research analyses the influence of Electronic Word of Mouth and hedonic shopping motivation on impulse buying, moderated by Fear of Missing Out. This research is quantitative research that uses a causal associative approach. The method used to test the hypothesis is SEM PLS with the help of the SmartPLS application. The research results show that Electronic Word of Mouth and hedonic shopping motivation positively and significantly affect impulse buying. FOMO. The results of this research can also be used as a basis for marketers of e-commerce companies to increase efforts to obtain and spread positive EWOM and increase the occurrence of impulsive buying from consumers.