In this study, we used a reference prices* promotion situations* product types * shopping mode between-subjects experiment design to examine the effect of reference prices and promotion situations on purchasing intention. In addition, we also examined the moderating effect of TV/Online Shopping and product types. The results indicate that the reference prices significantly affect consumer’s purchasing intention. The interaction effects of reference prices and TV/Online Shopping have significant differences on purchasing intention. It means TV/Online Shopping have the moderating effect. We also find the product types have not the moderating effect.