The different treatments to get the Platanus orientalis L and the Populus canadensis Moench leaves physical and chemical properties of biological matrix was studied.The results showed that treatment 7 to deal with a solid plants，for the root system treatment 4 ventilation，treatment 1 could provide more available water，treatment 2 moderate in water and gas ratio，could be suitable for various plants.Various processing pH value was acidic，the difference was not very significant，in contrast，processing 7，6，3 more conducive to P element transformation，in dealing with treatment 7 of matrix solution，the concentration of the ions was higher，in use was necessary to deal with semidiameter.From the nutrient content to see，leaves bio-medium of Platanus orientalis L and the Populus canadensis Moench had achieved matrix rich nutrition，among them，the processing and could provide higher available N，P，K nutrition，followed by processing 3 and 6 processing.