A screw removal tool may include a tool body, a driving unit and a tool tip, wherein the tool body has a hexagonal shaft, which is connected to a cylindrical pin at a driving end, and the cylindrical pin is connected to a block, and the pin and the block are arranged in an eccentric manner at the driving end; and wherein the driving unit has an eccentric connecting hole that mates with the cylindrical pin of the tool body and the driving unit can be rotated; wherein the tool tip has an eccentric hole that mates with the block, and pressure is applied on the block to prevent the tool tip from falling out.