<p>Disclosed is a photosensitive resin composition containing a cationic photopolymerization initiator (A) composed of sulfonium tris(pentafluoroethyl)trifluorophosphate and an alkali-soluble epoxy compound (B) which is obtained by reacting a polybasic acid anhydride (c) with a reaction product (I) between an epoxy compound (a) having two or more epoxy groups in a molecule and a compound (b) having one or more carboxyl groups and one or more hydroxyl groups in a molecule.</p>
