This study explores the moderating role of perceived sponsor motive and event-self congruence on the relationship between event-sponsor congruence and attitude toward sponsor in CSR advertisingcampaigns. A scenario based 2 (event-sponsor congruence: high/low) ⅹ 2 (perceived sponsor motive: selfish/altruistic) ⅹ 2 (event-self congruence: high/low) between-subjects design experiments are conducted for the test of hypotheses. According to the results of ANCOVA, consumers' perceived sponsor motive and event-self congruence are shown to moderate the effect of event-sponsor congruence on consumers' attitude toward sponsor. And, when the consumer perceives sponsor motive as ‘altruistic’ and event-self congruence as ‘high’, the difference of attitude toward sponsor between the high group and low group of event-sponsor congruence perception is the lowest.