Objective: To explore the effect and mechanism of suppressing tumors with the alcoholic extract of Donglingcao. Methods: First we adopted the Kun ming pedigree mice inoculated with H22 liver cancer cells in axilla subcutaneous tissue as the transplanting model to study the effect of tumor-suppressing. Second the different doses of the alcoholic extract of Donglingcao were given to the mice orally. Finally we not only observed the changes of common status of the mice and morphologic changes of histocyte but ...