A planographic printing plate precursor comprising a hydrophilic support and a laser-sensitive recording layer, wherein the planographic printing plate can be developed on-press and used for printing after exposure without being developed with an alkaline developer, and wherein the photopolymerizable recording layer includes a print-out agent, and a binder resin (B) that has a group represented by formulae , or on a side chain thereof: wherein in formulae to , X represents an oxygen atom, a sulfur atom, or -N-R 12 ; Y represents an oxygen atom, a sulfur atom, or -N-R 12 , Z represents an oxygen atom, a sulfur atom, or -N-R 12 , and R 1 to R 12 each independently represent a monovalent substituent, wherein the binder resin (B) is a copolymer, and a radical-polymerizable compound having a hydrophilic group is included in the binder resin (B) as a copolymerization component, said radical-polymerizable compound having a hydrophilic groupbeing selected from the group consisting of acrylamide, methacrylamide, N-isopropylacrylamide, N-vinyl pyrrolidone, N-vinyl acetoamide, N-acryloyl morpholine, 2-hydroxyethyl acrylate, 2-hydroxyethyl methacrylate, glycerol monomethacrylate, glycerol monoacrylate, methoxypolyethyleneglycol monomethacrylate, methoxypolyethyleneglycol monoacrylate, polyethyleneglycol monomethacrylate, polyethyleneglycol monoacrylate, polypropylene glycol monomethacrylate, polypropyleneglycol monoacrylate, polyethyleneglycol-polypropyleneglycol monomethacrylate, polyethyleneglycol-polypropyleneglycol monoacrylate, poly(ethyleneglycol-tetramethyleneneglycol) monomethacrylate, poly(ethyleneglycol-tetramethyleneglycol) monoacrylate, poly(propyleneglycol-tetramethyleneglycol) monomethacrylate, and poly(propyleneglycol-tetramethyleneglycol) monoacrylate; and wherein said print-out agent comprises at least one selected from the group consisting of a diphenyl methane colorant, a triphenyl methane colorant, a thiazine colorant, an oxazine colorant, a xanthene colorant, an anthraquinone colorant, an iminoquinone colorant, an azo colorant, an azomethine colorant and a leuco dye. wherein the binder resin (B) is a copolymer, and a radical-polymerizable compound having a hydrophilic group is included in the binder resin (B) as a copolymerization component, said radical-polymerizable compound having a hydrophilic groupbeing selected from the group consisting of acrylamide, methacrylamide, N-isopropylacrylamide, N-vinyl pyrrolidone, N-vinyl acetoamide, N-acryloyl morpholine, 2-hydroxyethyl acrylate, 2-hydroxyethyl methacrylate, glycerol monomethacrylate, glycerol monoacrylate, methoxypolyethyleneglycol monomethacrylate, methoxypolyethyleneglycol monoacrylate, polyethyleneglycol monomethacrylate, polyethyleneglycol monoacrylate, polypropylene glycol monomethacrylate, polypropyleneglycol monoacrylate, polyethyleneglycol-polypropyleneglycol monomethacrylate, polyethyleneglycol-polypropyleneglycol monoacrylate, poly(ethyleneglycol-tetramethyleneneglycol) monomethacrylate, poly(ethyleneglycol-tetramethyleneglycol) monoacrylate, poly(propyleneglycol-tetramethyleneglycol) monomethacrylate, and poly(propyleneglycol-tetramethyleneglycol) monoacrylate; and wherein said print-out agent comprises at least one selected from the group consisting of a diphenyl methane colorant, a triphenyl methane colorant, a thiazine colorant, an oxazine colorant, a xanthene colorant, an anthraquinone colorant, an iminoquinone colorant, an azo colorant, an azomethine colorant and a leuco dye. <EOS>