A method and system for creating an advertising list including a big advertiser's advertising information, which can prevent a big advertiser's advertising information, less associated with a content page, from being displaying only because the big advertiser purchased a plurality of keywords, and thereby control ‘the Poor Get Poorer and the Rich Get Richer’ phenomenon in displaying advertising is provided. According to the present invention, there is provided a method and system for creating an advertising list, which can control ‘the Poor Get Poorer and the Rich Get Richer’ phenomenon in displaying advertising where a big advertiser's advertising information with a great purchasing power is preferentially displayed in an advertising list and thus small and medium advertisers' advertising information may not be displayed.