A lithographic printing plate precursor requiring no dampening water,
which is prevented from the scratching of the non-image portion during
the development processing step and the printing step to solve the
problem of the ink stain on prints, is provided, which is a lithographic
printing plate precursor requiring no dampening water comprising a
support, a light-to-heat conversion layer and a silicone rubber layer, in
this order, wherein the support is a support subjected to corona
discharge treatment in an amount of 0.01 to 0.12 kW/m.sup.2/minute, and
the light-to-heat conversion layer is directly provided on the support
and contains carbon black having a dibutyl phthalate (DBP) oil absorption
value of 111 ml/100 g or more or carbon black having an average particle
size of primary particle of 25 to 75 nm.