The present invention relates to the benzimidazole-4-carboxamide derivatives, their preparation methods, pharmaceutical compositions and their uses； wherein X represents monosubstituted or bissubstituted or polysubstitued C 1 -C 14 alkoxy, monosubstituted or bisubstituted or polysubstitued C 1 -C 14 alkyl, monosubstituted or bisubstituted or polysubstitued C 2 -C 14 alkenyl, monosubstituted or bisubstituted or polysubstitued C 6 -C 14 aryl, or monosubstituted or bisubstituted or polysubstitued 5 to 6 membered heterocyclic group, or monosubstituted or bisubstituted or polysubstitued fused ring group containing nitrogen heteroatom； Y represents hydrogen, monosubstituted or bisubstituted or polysubstitued C 1 -C 16 alkyl, monosubstituted or bisubstituted or polysubstitued C 6 -C 12 aryl, or monosubstituted or bisubstituted or polysubstitued 5 to 6 membered heterocyclic group, or monosubstituted or bisubstituted or polysubstitued fused ring group containing nitrogen heteroatom. The derivatives of the present invention have the functions of antiviral medicine.
