This essay examines obesity as a significant public health issue in Australia, focusing on its impact on various population groups and its connection to chronic diseases. The essay analyzes the application of primary health care principles, as defined by the WHO, to address obesity, including disease prevention, health promotion, treatment, rehabilitation, and palliative care. It explores the social determinants of health and epidemiological factors contributing to obesity, highlighting disparities across socioeconomic and geographic regions. The essay also discusses nursing interventions for obesity management, such as lifestyle interventions and patient education. Furthermore, it aligns the issue of obesity with the key factors designated by WHO, starting with palliative care. The essay concludes by emphasizing the need for comprehensive strategies involving healthcare professionals, policymakers, and community members to reduce obesity rates and improve public health outcomes.