John Keats is a poet of superb talent in the early 19th century in the English literature world, an important writer serving as a link between past and future during British romantic period.Concern about nature and ecology is the particular and important aesthetical spirit and subject of Keatsi-s poetry.In many of his poems, Keats shows his interest in ecology and nature.This paper attempts to make an interpretation of his ecological view, find the developing stages, discover factors contributing to his ideology and study its great practical and theoretical significance on modem society.