A process for producing a film forming composition, the process including hydrolyzing and condensing: (A) at least one silane compound selected from a compound (A-1) shown by the following general formula (1), a compound (A-2) shown by the following general formula (2), and a compound (A-3) shown by the following general formula (3), R.sub.aSi(OR.sup.1).sub.4-a (1) Si(OR.sup.2).sub.4 (2) R.sup.3.sub.b(R.sup.4O).sub.3-bSi--(R.sup.7).sub.d--Si(OR.sup.5).sub.3-cR- .sup.6.sub.c (3); and(B) a cyclic silane compound shown by the following general formula (4): ##STR00001##