International conference and city development supplement to each other in that international conference is an important power to boost city internationalization and competitiveness in terms of economic contribution，brand effect and intellectual support，and also the major symbol of city going global. Hosting international conferences plays a positive role in gathering international high-end resources，strengthening industrial development advantages，improving the national central city function and enhancing the urban internationalization level of Guangzhou. Guangzhou has great strength in hosting international conferences for its early start，strong capability，large quantity and wide range of conferences held，yet still faces gap with famous conference cities in the world and disparity with its strength and international status as an important national central city. Guangzhou need follow the path of “Competing for Influence at top tier，Building brand at mid-tier，and Increasing Quantity at bottom tier” to reinforce the international communication center function based on its existing advantages.