To provide a two-part-separately-applying fast-curing aqueous adhesive which has an excellent viscosity stability, flow property and uniform applicability even in cold districts or at low temperatures in winter and exerts an initial adhesive strength comparable to or larger than that of the conventional honeymoon adhesive.

A two-part-separately-applying fast-curing aqueous adhesive uses a mixture of (i) a carboxylated, modified rubber latex and (ii) an aqueous solution of a neutralized synthetic polymer compound which has an imide group -(CO)2NH structure within a molecule and shows a rate of imidation of from 20 to 40% and a neutralization degree of 0.45 or higher as liquid A and an aqueous polyaldehyde solution as liquid B.