NOVELTY - A quasi-solid-state polymer gel electrolyte comprises a polymer macromolecule, a crosslinking agent, a solvent A or solvent A containing an additive, iodine and an iodine compound. The crosslinking agent and the polymer macromolecule are interacted through acids and bases or can react with quaternary amine salinization to form a three-dimensional space cage construction. The polymer is terpolymer obtained by polymerizing gel monomer, solvent monomer and modified monomer. The crosslinking agent is alpha , omega -dihalogenated hydrocarbon or alpha , omega -dicarboxylic acid.    USE - Quasi-solid-state polymer gel electrolyte is used for dye-sensitized solar cell.    ADVANTAGE - The quasi-solid-state polymer gel electrolyte has favorable electric conductivity, solvent hold facility and photoelectric conversion efficiency, and is easily manufactured under mild reaction conditions.    DETAILED DESCRIPTION - A quasi-solid-state polymer gel electrolyte comprises a polymer macromolecule, a crosslinking agent, a solvent A or solvent A containing an additive, iodine and an iodine compound. The crosslinking agent and the polymer macromolecule are interacted through acids and bases or can react with quaternary amine salinization to form a three-dimensional space cage construction. The polymer is terpolymer obtained by polymerizing gel monomer, solvent monomer and modified monomer. The crosslinking agent is alpha , omega -dihalogenated hydrocarbon or alpha , omega -dicarboxylic acid. The solvent (A) is chosen from alcohol, nitrile, ether, ketone, ester or their mixture. The additive is pyridine or imidazole compound. An INDEPENDENT CLAIM is included for manufacture of quasi-solid-state polymer gel electrolyte, which involves which involves adding solvent (A), and iodine and iodine compound in container, obtaining liquid electrolyte, adding liquid electrolyte, macromolecule polymer and crosslinking agent, dissolving, obtaining quasi-solid polymer gel electrolyte precursor, and curing at 50-80 degrees C for 2 hours. The concentration of iodine compound is 0.3-5 mol/L. The concentration of iodine is 0.03-0.8 mol/L. The amount of polymer is 1-15 %mass. The amount of crosslinking agent is 0.5-10 %mass.