Purpose/Significance Eco-economics is an interdisciplinary subject, whose research contents are very complex, and research methods and subject boundaries are relatively vague, which brings a lot of inconvenience to the study of eco-economics.Thispaper makes a literature review on some theoretical issues of eco-economics from 2004 to 2018, for the purpose of clarifying the connotation and subject attributes of eco-economics.

Method/ProcessThe paper has sorted out some theoretical issues of eco-economics and reviewed relevant literature.

Result/Conclusion On the basis of what has been done, it gets to the following conclusions: the research on the connotation of eco-economics, the definition of discipline attributes and the application fields of the discipline are still in the preliminary stage.Academic circles need to explore a number of theoretical issues of eco-economics, specifically: 1) define the subject attributes of eco-economics; 2) pay attention to the cross-cutting trend of the development of eco-economics; 3) attach enough importanceto the quantitative trend of research methods of eco-economics.