File storage device based on bidding and tendering management

The utility model relates to the technical field of file storage. The utility model particularly relates to a file storage device based on bidding and tendering management. The problems that a storagecabinet in the prior art is single in structure and function; management files cannot be classified and placed; the problem of inconvenience when the files are taken is solved; storage cabinet, two cabinet doors are connected to the storage cabinet; a pair of fixing shells is fixed to each of the upper side and the lower side in the storage cabinet through bolts. A first spring is connected intothe fixed shell; a first connecting block is welded at one end of the first spring; one end of the second spring is connected with a second connecting block; a left baffle is arranged on the lower side of the first connecting block through a first mounting block; and the lower side of the second connecting block is provided with a right side baffle through a second mounting block, the elastic telescopic performance of a sp