The invention provides a document compact shelving with damp-proofing function, comprising a bottom plate, side plates, a top plate, a door plate and a damp-proofing device; shelves are arranged in the document compact shelving, and pillars are arranged between the shelves; a heating tube is arranged in the bottom plate, a fan is arranged above the heating tube, the fan can blow heat emitted by the heating tube to a heat transfer plate, heat is dissipated from a heat transfer area of the heat transfer plate, a breathable plate is arranged below a first cavity and facilitates air circulation in the damp-proofing device, a filter mesh can prevent foreign matters from entering the compact shelving, a temperature sensor is arranged in the first cavity, the heating tube may be powered off once inner temperature of the heating tube is high, and documents stored in the compact shelving can be protected from damage. The document compact shelving with damp-proofing function is suitable for use in moist weather, and can prevent its inside from being damped, protect documents and extend their storage time.