The rural industry is the foundation for promoting farmers' income and rural development, and adhering to the green development of the rural industry is the internal requirement for comprehensively promoting Rural Revitalization Strategy (RRS) in China. Firstly, the article explains the three aspects of China's rural eco-industries' development logic: the rural eco-industries have the historical inevitability of action under the Ecological Civilization (EC), academic rationality of development under the theory of urban-rural integration development, and strategic action under ecological poverty alleviation. Secondly, it establishes the six components of the Chinese rural eco-eco-industries' scientific connotation: one guiding concept, three theoretical foundations, three development carriers, two practical paths, a 3*3 development model, and two fundamental goals. Thirdly, Suggestions to encourage the development of rural eco-industry in the three dimensions of "space, organization, and subject" from primary mode to advanced mode.