Theory discussion on the assessment angle and category of bio-diversity value

Instead of the traditional bio-diversity value-categorised-method on the angle of the whole human living environment,this paper deals with the value classification of bio-diversity based on bio-diversity protection mechanism,adjacent residents,tourists,researchers,etc,and integrating the value of bio-diversity with all kinds of vital interests of crowds.Thus it impels all kinds of crowds to participate in the protection of bio-diversity actively.