Preventing deviant behaviours in the formulation and implementation of environmental health policies in the era of self-media

National health could significantly impact political, economic and social spheres, having a critical role in national development, social stability and sustainable economic growth. The Chinese government is prioritizing health in all policies and promoting environmental health work. However, deviations in the implementation of China’s environmental health policy, such as excessive or incomplete execution, could hinder progress. Studies have identified the main factors that are inhibiting effective policy implementation; these include incomplete grassroots policy mechanisms, cognitive biases amongst policy executors, varying acceptance of policy execution objects and environmental complexity. To mitigate these issues, several actions have been recommended including improving government mechanisms, enhancing technical support, developing talents, increasing public scientific literacy and considering the needs of policy executors and environmental complexity. The Internet, especially self-media platforms, can enhance policy communication, reduce information bias and foster a favourable environment for policy implementation. By using self-media’s dissemination mechanism effectively, we can strengthen public consensus and improve public scientific literacy in environmental health. This contributes to eliminating policy formulation and implementation deviations, fully leveraging the guiding role of policies and promoting the construction of a Healthy China.