Although the spread of ‘Time Check Advertising’ in all kinds of Advertising, A study related to time check advertising not has been in spotlight as an important research domain. Therefore this study investigates how the effect of time check advertising is, and moderated by brand power. We test specific hypotheses, using 2(advertising type : general advertising vs. time check advertising) X 2(Brand Power : strong brand vs. weak brand) between-subjects factorial design. The results indicate that there is not more effective time check advertising than general advertising. That is, the effect of advertising is greater on general advertising than time check advertising. Also, the results show that there is a significant interaction effect between adversing type and brand power. That is, time check advertising is more effective than general advertising on weak brand. However general advertising is more effective than time check advertising on strong brand.