In the era of rapid global circulation of information, economics and knowledge, enterprises invest and establish operational areas in trans-nation, trans-continent, or trans-region ways; in addition, the communication modes of meeting have evolved with the improvement of technology and the transformation of enterprises. The "modern multi-functional conference room" has emerged due to the meeting cost which caused by the factor of distance, a main cost problem each trans-national or trans-region enterprise would suffer when meeting. This research mainly discusses the various modes of meetings, which are caused by different communicative purposes and meeting functions, from past to present. Based on comparing the conference rooms in different periods and discussing the evolution of modern conference rooms' equipment including the system of video conference and teleconference, this research proposes the method of designing the modern conference rooms for the reference of interior design of office space.