The present invention relates to the benzimidazole-4-carboxamide derivatives,theirpreparation methods, pharmaceutical compositions and their uses； wherein Xrepresentsmonosubstituted or bissubstituted or polysubstitued C1-C14 alkoxy,monosubstituted orbisubstituted or polysubstitued C1-C14 alkyl, monosubstituted or bisubstitutedorpolysubstitued C2-C14 alkenyl, monosubstituted or bisubstituted orpolysubstitued C6-C14aryl, or monosubstituted or bisubstituted or polysubstitued 5 to 6 memberedheterocyclicgroup, or monosubstituted or bisubstituted or polysubstitued fused ring groupcontainingnitrogen heteroatom； Y represents hydrogen, monosubstituted or bisubstitutedorpolysubstitued C1-C16 alkyl, monosubstituted or bisubstituted orpolysubstitued C6-C12 aryl,or monosubstituted or bisubstituted or polysubstitued 5 to 6 memberedheterocyclic group,or monosubstituted or bisubstituted or polysubstitued fused ring groupcontaining nitrogenheteroatom. The derivatives of the present invention have the functions ofantiviralmedicine.(see formula I)
