Abstract: Since 1970s,pollution ecology has gone through several historical stages including the natal,growing and developing and expanding stage with the rise in environmental sciences and the development of applied ecology.The theoretical system and researching methods with special characteristic of the subject has taken shape.So far pollution ecology has become an independent discipline to probe into interactions between biological systems and polluted environment and to control and remedy polluted environment using ecological principles,is an important component part of applied ecology and derives from amalgamation and intersection between ecology is faced with challenges and opportunities.Abreakthrough and good progresses will be made in its branches and frontal fields such as ecology of combined pollution,contaminant ecotoxicaology,ecological processes of pollutants and ecological remediation of contaminated environment.

Key words: Pollution ecology, Pollutants, Ecological process, Ecological remediation