In this era, technology has experienced rapid development. One of them is the internet. In connection with this, one of them appeared eWom Zomato application. Ewom Zomato is a site or application that provides various information about restaurants. The purpose of this study is to determine the effect of eWOM Zomato and brand image to purchase intention and purchase decision which mediated by consumer perception on Gyu-Kaku, Japanese BBQ. To analyse the data using SEM with LISREL. Samples was distributed to 200 respondents in Jakarta on Mei 2021. The results showed that E-WOM and Brand Image play an important role in improving consumer perception. However, consumer perception plays no role in mediating the E-WOM relationship with purchase decision. However, it can mediate well the relationship of brand image to purchase decision. Purchase intension itself plays a positive role in the purchase decision. Thus this research proves that consumer perception and purchase intention are means that support and encourage consumers to brand image to make purchase decisions. But it is not a decisive means for e-WOM in purchasing decisions.