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94 fungi strains were isolated from soil of different regions of Sichuan, Hebei, Shandong province.They were used to screen of cellulose-decomposing strains with some strains which had the cellulose-decomposing capacity provided by Agricultural Culture Center of China (ACCC).Nine cellulose-decomposing strains of Trichoderma spp.were obtained by primary screening of cellulose powder medium and the result included that the cellulose-decomposing ability of strains of 8-3 and A were stronger than other strains by congo red dye.