The present invention provides a resin for toner binders, which comprises two polyester resins (A) and (B), said resin (A) being a crosslinked modified polyester resin consisting of the reaction product from a crosslinked polyester resin (a) and a polyepoxide (c) and said resin (B) being an acid anhydride-modified linear polyester resin consisting of the reaction product from a linear polyester resin (b) and an acid anhydride (r).