A photosensitive resin composition, comprising: a photosensitive prepolymer having a carboxyl group and an ethylenically unsaturated group; a photopolymerization initiator, and a thermosetting agent, characterized in that the thermosetting agent is a polycarbodiimide compound represented by the following Formula, in which carbodiimide group is protected by an amino group dissociating at a temperature of 80°C or higher, and the polycarbodiimide compound having a weight average molecular weight of 300 to 3,000 and a carbodiimide equivalent of 150 to 600, wherein, in Formula, R 1 and R 2 each independently represents a hydrogen atom, a linear or branched alkyl group having 1 to 6 carbon atoms, or a cycloalkyl group having 3 to 6 carbon atoms, R 1 and R 2 may be same as or different from each other, but both of them are not hydrogen atoms at the same time; X 1 and X 2 each represents -R 3 -NH-COOR 4, R 3 being a divalent organic group having at least one aromatic group and R 4 being a residue obtained by removing a hydroxy group from an organic group having one hydroxy group, and X 1 and X 2 being same as or different from each other; Y represents -R 5 -NHCOO-R 6 -OCOHN-R 5 -, each R 5 being independently a divalent organic group having at least one aromatic group and R 6 being a divalent organic group, but not being an ether bond; and n represents an integer of 1 to 5. a photosensitive prepolymer having a carboxyl group and an ethylenically unsaturated group; a photopolymerization initiator, and a thermosetting agent, characterized in that the thermosetting agent is a polycarbodiimide compound represented by the following Formula, in which carbodiimide group is protected by an amino group dissociating at a temperature of 80°C or higher, and the polycarbodiimide compound having a weight average molecular weight of 300 to 3,000 and a carbodiimide equivalent of 150 to 600, wherein, in Formula, R 1 and R 2 each independently represents a hydrogen atom, a linear or branched alkyl group having 1 to 6 carbon atoms, or a cycloalkyl group having 3 to 6 carbon atoms, R 1 and R 2 may be same as or different from each other, but both of them are not hydrogen atoms at the same time; X 1 and X 2 each represents -R 3 -NH-COOR 4, R 3 being a divalent organic group having at least one aromatic group and R 4 being a residue obtained by removing a hydroxy group from an organic group having one hydroxy group, and X 1 and X 2 being same as or different from each other; Y represents -R 5 -NHCOO-R 6 -OCOHN-R 5 -, each R 5 being independently a divalent organic group having at least one aromatic group and R 6 being a divalent organic group, but not being an ether bond; and n represents an integer of 1 to 5. R 1 and R 2 each independently represents a hydrogen atom, a linear or branched alkyl group having 1 to 6 carbon atoms, or a cycloalkyl group having 3 to 6 carbon atoms, R 1 and R 2 may be same as or different from each other, but both of them are not hydrogen atoms at the same time; X 1 and X 2 each represents -R 3 -NH-COOR 4, R 3 being a divalent organic group having at least one aromatic group and R 4 being a residue obtained by removing a hydroxy group from an organic group having one hydroxy group, and X 1 and X 2 being same as or different from each other; Y represents -R 5 -NHCOO-R 6 -OCOHN-R 5 -, each R 5 being independently a divalent organic group having at least one aromatic group and R 6 being a divalent organic group, but not being an ether bond; and n represents an integer of 1 to 5.