The invention discloses a ship deck heavy stuff lifting device, which comprises a support frame. A cross beam is welded to the top part of the support frame; an elastic rod is arranged on the top partof the cross beam, and is connected with a top plate through an anti-off chain; a sealed corner pad is arranged on a connecting part of the support frame and the cross beam; a scale line is arrangedon the surface of the support frame; a balance plate is welded to the bottom part of the support frame; a clamping plate is welded to the top part of the balance plate, and is connected with a pothookon the support frame through a limiting rod; a fixed pulley is welded to the center of the bottom part of the cross beam, and penetrates through a fixing ring through a steel rope so as to be connected with a parcel shelf; bumper bars are arranged on two sides of the parcel shelf. According to the ship deck heavy stuff lifting device provided by the invention, the device is simple and reasonablein overall structure design, not only can effectively protect the use safety of the device, but also an ensure the stability of a heavy object during a lifting process, avoids the occurrence of the phenomenon of accidental falling, and has higher practicability.