Abstract: The two major schools of American Ecological Marxism engage in critical dialogue on ecological thinking, crisis tracing, and theoretical core. This critical dialogue focuses on the ecological crisis, exploring the root causes and solutions to the crisis, starting from the connection between nature and society, and explores the ecological implications of historical materialism. In critical dialogue, the theoretical content of Ecological Marxism has been enriched, the critical perspective of Ecological Marxism has been expanded, and the understanding of Marxism has been deepened. In terms of philosophy, ecology, and political criticism, American Ecological Marxism still has theoretical flaws.