On the basis of comprehensive investigation and evaluation to the soil type,geologic and geomorphology and vegetation characteristic along the general canal of the middle line engineering of transferring water from the South to the North of China,site condition along the general canal are divided into four classes(2 site regions,4 site areas,7 site subareas,11 site types)by the main factor method.On the basis of site division,47 kinds of arbors and shrubs,and 27 kinds of protection forest space arrangement patterns are built, 38 kinds of shrubs and grasses, and 41 kinds of plants protection slope patterns are built,and all kinds of vegetation arrangement patterns are put on the different site types.