Abstract: The legalization of wetlands’ concept is the basis of legal issues with researching wetlands’ law.,the delegalization of wetlands’ concept has been a sticking point of the various contradictions in legal practice of our wetland conservation. The legalization of wetlands’ concept in western developed countries,its strict pattern,combining leniency with rigidity patterns and loose pattern of definition are analysed. The evolution of the legalization of wetlands’ concept in China is analyzed with a reference to foreign patterns of the legalization of wetlands’ concept. Based on the analysis on legal concept of wetland of our country from the present types of wetland,efforts are to be made to propel the evolution of the legalization of wetlands’ concept in China.

Key words: wetland concept, legalization, patterns of definition, reverse thinking