The purpose of this study is to verify the effect of the marketing strategy of restaurant companies for the revitalization of the 6th industry on customer satisfaction, trust, and word of mouth intention. Suggestions and implications according to the verification results of this study are as follows. It was found that the setting of price differentials for each part of a Korean beef restaurant, an appropriate price for meat and setting costs, and securing price competitiveness of Korean beef were factors that improve product satisfaction. It was found that Korean beef restaurants should strive for price competitiveness of basic beef, and are satisfied with the product due to the appropriate differential pricing for each part and the relatively low price of beef. In addition, as the quality and appropriate price of beef, as well as the freshness of the meat, the indication of the slaughter date, and the confirmation of the distribution route to customers affect the service satisfaction, service employees are satisfied with the service such as customer response, customer management, reservation, and procedure. To increase customer trust. It was found that the smooth reservation and cancellation of reservations and cancellations of the Korean beef restaurant, the recognition of customers, the quality that enables the invitation of hospitality guests, and the formation of a pleasant atmosphere for the meal are factors that can increase the trust in the service from the customers.