Lithographic printing plate precursor and plate making method thereof

A lithographic printing plate precursor comprising in the following order:

• a support;
• an image-recording layer which is capable of being removed with at least one of printing ink and dampening water and comprises a polymerizable compound represented by the following formula (1), a polymer particle containing a structural unit represented by the following formula (2) and a structural unit represented by the following formula (3), an infrared absorbing agent and a polymerization initiator;
• and
• an overcoat layer:
• wherein, A represents a group comprising from 1 to 3 ethylenically unsaturated groups, L represents an alkylene group having from 5 to 9 carbon atoms, R represents an alkyl group having from 1 to 12 carbon atoms, an aryl group or an aralkyl group, D represents a single bond or a —COO— group, and R1 and R2 each independently represents a hydrogen atom or a methyl group.