Private information storage and reading method, device, system and equipment and storage medium

The embodiment of the invention provides privacy information storage and reading methods, devices, systems, equipment and a storage medium, which are applied to a privacy information processing system, and the privacy information processing system comprises an application server and an information storage network. The privacy information processing system can obtain privacy information to be stored; encrypting the privacy information to be stored to obtain encrypted information; fragmenting the encrypted information to obtain a plurality of pieces of sub-information; respectively copying the plurality of pieces of sub-information to obtain a copy corresponding to each piece of sub-information; and storing the copy to the master server, and storing the plurality of pieces of sub-information to different slave servers. The complete information of the file is not displayed in the master server and the slave servers, but the multiple pieces of sub-information obtained through fragmentation processing and the corr