Picture recognition method and device, computer equipment and storage medium

The invention belongs to the field of artificial intelligence and the field of financial science and technology, and relates to a picture recognition method, which comprises the steps of obtaining a target business picture uploaded by a target salesman; scanning the target service picture, and judging whether a specified position in the target service picture contains a specified feature code or not; if yes, extracting a specified feature code in the target service picture; performing picture query on a reference picture library based on the specified feature code to obtain a corresponding specified reference picture; and performing content comparison on the specified reference picture and the target service picture to generate a picture recognition result of the target service picture. The invention further provides a picture recognition device, computer equipment and a storage medium. In addition, the invention also relates to a block chain technology, and the specified feature code can be stored in a block