In the catering industry, DM refers to Direct Mail. It is a marketing method, which mainly refers to mailing brochures, advertisements and sales letters directly to potential customers by mail, cruise or other mailing methods to promote sales and customer loyalty.

DM in catering industry usually includes restaurant brochures, menus and coupons. In this type of DM, restaurants attract customers to eat and improve customer loyalty by mailing their promotional materials and menus to customers. In addition, restaurants can also increase sales by including coupons to attract potential customers.

DM can help restaurants build customer relationships, attract new customers and win the support of old customers. However, restaurants need to know their target customer groups and adjust DM information to meet the needs of different groups. In addition, restaurants need to consider how to reduce the adverse consequences of distribution, such as being regarded as spam or throwing it away directly. Therefore, the success of DM should be based on sufficient market research and investigation.