The evolution of technology has brought a radical shift in the business world. It has revolutionalised the way we create and consume media messages especially advertising. Artificial intelligence is the most important technologies in the world today that has influenced everything we do today especially advertising and marketing. Platforms like ChatGPT have changed how advertising are created. This study examined the effects of AI in promoting advertising business in Nigeria. The objective is to look at the benefits, prospects and challenges of adopting AI in the advertising industry. The study was anchored on Technological Acceptance Model (TAM) and Diffusion of Innovation theory. It also adopted the Library research method where data were gathered through relevant literatures such as journals, reports and websites. The study shows that AI no doubt has the potential to transform the advertising industry. It has significant impact in the advertising business but has come with lots of challenges. Though AI has really revolutionalised the advertising and marketing industry, human beings still have a special touch which AI cannot replace. Human beings need to be in charge of creating advertising and not rely totally on machines. Keywords: Impacts, Artificial intelligence, promotion, advertising, business