The influence of advertising on consumer brand preference is a topic that has been extensively researched in the field of marketing. The studies reviewed here, which include articles from various journals and books, have explored the role of advertising and sales promotions in creating brand equity. Researchers have found that effective advertising can lead to increased brand awareness, customer loyalty, and ultimately, improved financial performance. Moreover, the use of sales promotions has been shown to positively impact consumer behavior, particularly with regard to purchase intentions and brand preferences. The findings suggest that a combination of advertising and sales promotions is more effective in creating brand equity than relying solely on one or the other. Additionally, the studies highlight the importance of considering individual differences, such as demographics and psychographics, when evaluating the impact of advertising on consumer behavior.