This paper makes a brief statement about the major theories abroad of the intellectual nature since the 20th century, which include the intelligence of factor theory, the intelligence of information processing theory, the intelligence of cognitive nerve research and the intelligence of bio-ecological and cultural theory.

Thorean: the pioneer of ecological literature;

Discourse Practice of the Eco-literature Research;

Natural Harmony,Joyful Spirit——To understand the natural poem of Wordsworths from the point of Eco-literature;