In today's business landscape, customers are the lifeblood of enterprises, making them invaluable assets that require careful attention to attract and retain. Scholars like Ph. Kotler and D. Jokubauskas underscore the importance of advertising in resonating with customers and eliciting desired responses. This symbiotic relationship between advertising and psychology has deepened over time, with advertisers leveraging psychological concepts to craft more impactful advertisements. This paper offers a comprehensive exploration of this intricate relationship between advertising and psychology, underscoring their pivotal roles in understanding consumer behavior and shaping effective advertising strategies. Through an examination of emotions, music, shock tactics, humor, social proof, liking, and scarcity in advertising, this paper provides valuable insights into how psychological principles inform and enhance advertising practices, ultimately driving customer engagement and loyalty.