This essay addresses childhood obesity as a significant public health issue in Australia, highlighting its increasing rates and associated health risks. It examines the Australian government's National Prevention Health Strategy and its initiatives to combat obesity, including reshaping food supply, protecting children from unhealthy food marketing, and promoting physical activity. The essay emphasizes the crucial role of nurses in implementing these strategies by educating families, promoting healthy lifestyles, and working with communities. It also acknowledges barriers to the strategy's success, such as the lack of a comprehensive national food policy, and stresses the importance of equitable access to obesity prevention and treatment, particularly for disadvantaged groups like Aboriginal and Torres Strait Islanders. Maternal health and targeted programs for pregnant women are identified as key areas for intervention.