A lithographic printing plate precursor having a good press life with a
practical energy amount, which can be on-press developed without passing
through a development processing step after recording an image by a laser
of emitting an infrared ray, is provided, which is a lithographic
printing plate precursor capable of performing a development and printing
by loading on a printing press after imagewise exposure and supplying an
oily ink and an aqueous component, the lithographic printing plate
precursor comprising a support and an image recording layer, wherein the
image recording layer comprises (A) a polymerization initiator, (B) a
polymerizable monomer, (C) a binder polymer, and (D) a crosslinked resin
particle having a reactive group or (F) a microcapsule containing a
polymerizable monomer in the capsule wall, and the image recording layer
is imagewise polymerization-curable upon irradiation of actinic ray.