The invention provides a multi-drawing management method, which comprises the following steps: relatively and independently storing a plurality of relevant drawings in a CAD document; acquiring storage organization information of the plurality of the drawings; and arranging a drawing manager in the CAD document and managing the storage organization information. The invention also provides a multi-drawing management device, which comprises a storage module, an acquisition module and the drawing manager, wherein the storage module is used for relatively and independently storing the plurality ofthe relevant drawings in the CAD document; the acquisition module is used for acquiring the storage organization information of the plurality of the drawings; and the drawing manager is arranged in the CAD document and is used for managing the storage organization information. The method and the device improve the multi-drawing storage efficiency of the CAD document.