Abstract: Public relation service markets in Guangzhou have developed to a certain scale for ten years or so.How to effectively seek the opportunity of expanding the markets so as to accompany the economic development into internationalization in Guangzhou? Different industries and different consumption communities have their own special contents and needs.If the representations of the consumption group such as the value conception,behaviour habits,needs,etc.can be positively describes,they will be sub-classified before the launching of markets.Different-level public relation enterprises can be accurately oriented.