A bispecific antibody format, which comprises a) a Fab fragment comprising a first binding site for a first antigen； b) an scFv fragment comprising a second binding site for a second antigen； and c) a CH2 domain, wherein the Fab fragment and the scFv fragment are linked via the CH2 domain, wherein the first antigen is CD95 and the second antigen is CD20； or the first antigen is CD20 and the second antigen is CD95.
