A butadiene-acrylonitrile alternating copolymer solution-type adhesive having 5-50 parts by weight of an adhesive composition composed of 100 parts by weight of a butadiene-acrylonitrile alternating copolymer having a degree of alternation of not lower than 92 and an intrinsic viscosity of not lower than 1.0 and containing no gel, which is prepared from butadiene and acrylonitrile in the presence of a catalyst consisting of a component (A) of a compound of metals of the groups IV-b and V-b in the Periodic Table and a component (B) of an organoaluminum compound, and 30-100 parts by weight of a phenol resin dissolved in 100 parts by weight of a solvent. This solution-type adhesive has excellent adhesion and storage stability and is used for adhering rubbers, plastics, fibers, woods and metals.