Biological climate diagram is the relationship between famous ecologist dansereau (1951) schimper and von Faber divided 15 World vegetation types and climate types, drawing an inverted triangle diagram. The three corners of the diagram show the combination of different water and heat conditions, the upper left corner is extremely hot and dry, the upper right corner is extremely hot and humid, and the lower of the extreme cold is the lower. The 15 vegetation types were placed in the corresponding