Abstract: The active extracts of 20 species of Sichuan authentic herbal medicine were extracted by 6 kinds of the different solvents, including ethanol, ethyl acetate, acetone, chloroform, petroleum ether and water.In order to enrich basal data and to provide reference information for traditional Chinese medicine fungicide, the inhibitory effects of these extracts on Botrytis cinerea were scientifically examined with the growth rate method, The results showed that, when the concentration of sample extracted was 0.1g/mL, the inhibitory rate of 7 species of alcoholic extracts were 100%, such as Phellodendron chinense Cortex, Iris tectorum Rhizoma, Zanthoxylum bungeanum Pericarpium, Coptis chinensis Rhizoma, Acorus tatarinowii Rhizoma, Rheum palmatum Rhizoma and Aconitum carmichaelii Radix.The inhibitory rate of 6 species of ethyl acetate extracts were 100%, such as I.tectorum Rhizoma, C.chinensis Rhizoma, Platycodon grandiflorum Radix, A.tatarinowii Rhizoma, Quisqualis indica Fructus and A.carmichaelii Radix.The inhibitory rate of 2 species of trichloromethane extracts were 100%, such as Dipsacus asper Radix and Lonicera japonicae Flos.An inhibitory effect of A.tatarinowii Rhizoma was the best in the acetone extracts, inhibitory rate was 100%.Inhibitory rate of all were less than 80% in the petroleum ether and water extracts.