In today's increasingly accelerating globalization, environmental protection and sustainable development have become the focus of common concern for all countries. Public environmental awareness, that is, the public's understanding and attitude towards environmental issues, has a significant impact on environmental protection work. Meanwhile, with the rise of green product trade, the market trading of green products is becoming increasingly active. As one of the means to regulate the relationship between public environmental awareness and green product trade, the role of policies and legal texts is increasingly prominent. This article will explore the relationship between public environmental awareness and green product trade and analyze the regulatory role of policies and legal texts in it. This article explores the impact of trade and environmental policies on the financial system through computer software. It constructs a theoretical hypothesis model to explore the moderating effect of policy and legal texts on the relationship between public emotional perception of environmental policies and green product trade. After empirical testing, all research hypotheses in this study have been supported. The results showed that at a test level of 0.01, consumers' perception of green efficacy, perceived green responsibility, green purchasing behavior, emotional arousal, and moderate values were significantly positively correlated. Among them, the R-value of perceived green efficiency and green purchasing behavior is 0.701, and the R-value of perceived green responsibility and green purchasing behavior is 0.638, indicating the degree of correlation between perceived green efficiency, perceived green responsibility, and green purchasing behavior. Green purchasing behavior is highly correlated. The conclusion indicates that the government has further increased export subsidies for the clean industry, implemented differentiated environmental tax policies, and emphasized the coordinated use of procedures, promoting the development of the clean industry and the upgrading of industrial structure.
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