To provide a block copy sheet for a lithographic printing plate which prevents the positions of the lithographic printing plate and the block copy sheet before printing from being deviated and can be manufactured at a low cost.

This block copy sheet for a lithographic printing plate is characterized in that the modulus of initial elasticity is 34×108 Pa or more and a center line average height Ra coming into contact with the back face of the lithographic printing plate is 2 μm or below and irregularities showing 0.05 or more Ra/Rz are formed on the surface.