Picture quantity prediction method and device, computer equipment and storage medium

The invention relates to a piece quantity prediction method and device, computer equipment and a storage medium. The method comprises the following steps: obtaining a target piece quantity data sequence formed by existing piece quantity data of a date where a to-be-predicted time point is located and a plurality of historical piece quantity data sequences corresponding to the target piece quantity data sequence, and obtaining a plurality of historical piece quantity data sequences corresponding to the target piece quantity data sequence based on the sequence similarity between the target piece quantity data sequence and each historical piece quantity data sequence, the method comprises the following steps: selecting a historical document quantity data sequence, screening a target document quantity data sequence from the historical document quantity data sequence, taking a historical date corresponding to the target document quantity data sequence as an alternative base period, obtaining feature data of the al