In the middle of the 20th century, globalization developed rapidly, especially industrial modernization has leaded to the heavy crisis of earth’s natural ecology and spiritual ecology. People began to wake up and rethink human civilization development model, and were deeply conscious of the fact that humanity is in urgent need of reconstruction of ecological civilization. In this context, ecological literature emerges as the times required. This paper first introduced ecological criticism flourish under the background of the cultural changes, then collected and sort out the theory historical transition of the Chinese ecological criticism and ecological aesthetics, exploring the problem domain about the development of the theory of ecological literature in the new century. And finally, summarized the new century’s tasks of ecological literary theory in the construction of Chinese literary theory.