To provide a system that comprehensively supports foreign operation (thank-you note transmissions to a lodging customer, questionnaire transmission and results accumulation and foreign transmission of vacant room information) in lodging facilities, a client company, etc., and operations related to a travel agency.

This foreign business support system is provided with a means for conducting two-way communication between an information center 1 and the lodging facilities 1 and the client company, between the information center and mailing facilities 3 and telemarketing facilities 4, between the information center and lodging information providing facilities 5 and between the information center an travel agency 8 via a Web, transmits customer business support processing that representatively transmits a thank-you note to the lodging customer in the place of the lodging facilities, marketing business support processing that transmits questionnaires and accumulates their answers, in response to a request from the lodging facilities and the client company and the vacant room information of the lodging facilities to the lodging information providing facilities, and comprehensively performs information- providing business support processing that transmits lodging reservations and an operation support processing related to the travel agency, which communicates with the travel agency or the like, while converting the communication into the language, currency and date of the corresponding travel agency.