Novel manhole cover opening tool

The utility model discloses a novel manhole cover opening tool comprising a steel pipe. A lifting handle is arranged at one end of the steel pipe; the other end of the steel pipe is provided with a mounting hole; a U-shaped crow head base is arranged at the mounting hole; the bottom end of the U-shaped crow head base is provided with a fastening groove; a crow bar is arranged on the fastening groove; the crow bar is connected with the U-shaped crow head base through a return spring in a returnable manner; limit slide rails are arranged on two sides of the steel pipe; the bottom of the steel pipe is sleeved with a guard pipe; one side of the bottom end of the guard pipe is provided with a return groove; the other side of the bottom end of the guard pipe is provided with a crow hole. The novel manhole cover opening tool is reasonable in structural design and convenient to use; since the guard pipe and the steel pipe are slidably connected with each other, the crow bar, under the action of the return spring, is