Workbench for engineering cost management

The utility model relates to the technical field of workbenches, in particular to a work bench for project cost management, which comprises a placing plate, a rotating plate is rotatably mounted on one side of the top of the placing plate, and a mounting plate is rotatably mounted on one side, far away from the placing plate, of the top end of the rotating plate. A plurality of lampshades are installed at the top of the mounting plate in the length direction, a magnetic strip is installed on the side, close to the containing plate, of the top end of the rotating plate in the length direction, a mounting groove is formed in the top of the containing plate, the two ends of the inner wall of the mounting groove penetrate through the containing plate, an iron sheet is installed at the inner bottom of the mounting groove, and a top plate is installed at the top of the iron sheet. The magnetic strip on the side face of the rotating plate and the iron sheet at the bottom of the top plate attract each other through m