It's a systematic engineering that the building of Guangzhou into an international commercial and trade center consolidates its standing as a national central city. Efforts needed by upgrading and transformation cannot be understood only from one single particular aspect, but should be understood from the overall situation. To build itself into an international commercial and trade center, Guangzhou needs to optimize the whole industry chain, especially needs to train distribution wholesalers who can be connected with large manufacturers and large retail enterprises; meanwhile, it also needs to cultivate large terminal retail enterprises. Besides, Guangzhou should also set up service supporting system, with commercial and trade (including modern logistics and electronic commerce) as the core and with finance and business service as combination. <<