The conductive resin composition of claim 1 wherein the epoxy resin or phenolic resin having at least two structural units of formula (1) per molecule has the following general formula (3), (4) or (5): wherein R3 is hydrogen or glycidyl, R4 is hydrogen or a monovalent hydrocarbon group of 1 to 6 carbon atoms, R5 is ???CH2???or R6 is ???CH2???, n and m each are an integer of at least 0. 3.