关键词： 环境健康, 人体健康, 风险评估制度, 法律制度

Abstract: Effective implementation of environmental health risk assessment system is one of the effective measures to reduce environmental health risks and provide effective protection for human health.After decades of exploration and management,the United States has established a relatively complete risk assessment system and has made the system one of the important considerations for environmental legislation and decision-making.The US risk assessment includes four steps:hazard identification,dose response assessment,exposure assessment and risk characterization.At the same time,through the effective connection of risk assessment,risk management and risk communication,the effectiveness of risk assessment system is realized.Along with the economic development in our country,environmental pollution and ecological damage have taken place frequently,resulting in a worsening environmental health problem.As one of the goals of our country's environmental legal system,safeguarding human health has not yet been given effective attention and lacks the basis for legal protection.Based on the status quo and existing problems of environmental health regulation in our country,we can draw lessons from the experience of risk assessment system in the United States.By implementing risk prevention principles and perfecting environmental standards system,risk assessment system,enterprise environment health management system and promoting diversified public participation mode,we can establishing and perfect China's Environmental Health Risk Assessment Legal System.

Key words: environmental health, human health, risk assessment system, legal system