<p>A heat resistant composite film is described, which comprises (I) a thermoplastic film and (II) a cured layer of a thermosetting resin composition comprising (A) 100 parts by weight of an aliphatic diamine having a spiroacetal ring, (B) from 5 to 150 parts by weight of an ester derived from maleic acid and an alcohol represented by formula (I), and (C) from 20 to 250 parts by weight of an ester derived from a tetracarboxylic acid and an alcohol represented by formula (I), R<1>-(OR<2>)n-OH (I> wherein R<1> represents an alkyl group having from 1 to 4 carbon atoms; R<2> represents an alkylene group having from 2 to 4 carbon atoms; and n represents 0 or an integer of from 1 to 3. The composite film is resistant to temperatures of 150 DEG C or higher while exhibiting flexibility.</p>
