Contract filing method and system

The invention belongs to the technical field of document management, and particularly relates to a contract archiving method and system.The method comprises the steps that 1, a standard contract picture set and a to-be-compared contract picture set are obtained, single contract pictures in the to-be-compared contract picture set are recorded as to-be-compared page pictures, single contract pictures in the standard contract picture set are recorded as standard page pictures, and the standard page pictures are recorded as the to-be-compared page pictures; correctly sorting page numbers of the standard picture set; 2) performing similarity comparison on each standard page picture and each to-be-compared page picture to obtain the similarity between each standard page picture and each to-be-compared page picture; 3) according to the similarity obtained in the step 2), matching each standard page picture with each to-be-compared page picture according to a matching criterion, and setting the page number of the to-