This report provides a comprehensive analysis of health promotion strategies aimed at combating obesity in Australia. It begins by establishing the context of the obesity problem, highlighting its prevalence and the associated economic, social, and health impacts. The paper delves into specific interventions, including the implementation of food and beverage taxes to discourage the consumption of unhealthy products, promoting physical activity through various initiatives, regulating the marketing of unhealthy foods and beverages in both conventional and social media, and restricting sports sponsorship by unhealthy food and beverage companies. The report emphasizes the importance of a coordinated, whole-of-society approach to obesity prevention, arguing that a combination of these strategies is necessary to effectively reduce the prevalence of obesity and improve public health outcomes. The report also includes a discussion of the effectiveness of these interventions, supported by scholarly literature and research findings, and concludes by summarizing the most effective strategies for obesity prevention in Australia.