The utility model provides a pile hammer with a sizing block. The pile hammer with the sizing block comprises a hammer body, a shock ring, a connection flange, an anvil and a hammer sleeve, wherein the hammer body integrally connects the shock ring, the anvil and the hammer sleeve through the connection flange; the shock ring is fixed on the hammer body; the anvil is placed between the hammer body and the hammer sleeve and is at a free state; and the sizing block is mounted between the anvil and the hammer sleeve, and is movably placed between the anvil and the hammer sleeve. The pile hammer with the sizing block provided by the utility model can meet the requirement of hitting steel pile structures with different sizes on the premise of not replacing the anvil and the shock ring in prior art, so that the construction period and the production cost can be greatly reduced, and the convenience in installation can be realized.