Data processing method, data processing device, equipment and storage medium

The embodiment of the invention discloses a data processing method, a data processing device, equipment and a storage medium, which are used for determining second data by encrypting a first externalassociation relationship in combination a contrast relationship, and processing the second data in batches on the basis of not reducing the security of the second data, so that the performance of a system is improved. The file processing method provided by the embodiment of the invention comprises the steps of obtaining an external association relationship and a contrast relationship of each pieceof first data in a first data set; encrypting the external association relationship of each piece of first data according to a preset rule to obtain a first encryption relationship, the first encryption relationship being in one-to-one correspondence with the contrast relationship; and determining second data matched with the first data according to the contrast relationship and the first encryption relationship. 本申请实施例公开