The invention discloses a rapidly solidified anisotropic conducting resin and preparation method thereof, wherein, the prepared anisotropic conducting resin comprises the following components by weight: 100 parts of epoxy resins, 20-100 parts of epoxy acrylic resins, 0-60 parts of active diluents, 10-150 parts of conductive particles, 1-30 parts of flexibilizers, 0.5-30 parts of curing agents, 0.01-6 parts of nanometer inorganic filling materials, and 0.01-5 parts of coupling agents. The anisotropic conducting resin prepared by the invention can be rapidly solidified at middle temperature with good reliability, and is suitable for rapid reverse package of IC.