In order to promote the harmonization of decision-making processes in public health and the harmonization of decision-making criteria, McMaster University in Canada and the Estonian Health Insurance Fund jointly published an article on an evidence ecosystem for health decision-making in 2022 with the support of the World Health Organization. Based on the proposed health decision-making evidence ecosystem model of the article, this paper interpreted the processes and elements in the model, aiming to provide reference for evidence-based public health decision making in China.