Provided is an individual management system that prevents confusion of ova, fertilized eggs, and the like to be used for treatment, and that is suitable for individual management of fertilized eggs and the like to be cryopreserved. This individual management system comprises: a server 11 installed in an appropriate location within a facility； a plurality of personal computers 13, 21； identification code readers 14, 22, 34 that are used at appropriate location within the facility； an identification code/IC tag reader 47； a device, instrument, implement, and container 41, 42, 43, 45 that are used to cryopreserve specimens, as necessary； and identification codes and IC tags 43d, 45c that are attached to at least the device, instrument, implement, and container. The device, instrument, implement, and container installed or used within the facility are interconnected via an intra-facility network 5, and further connected to a cloud server 71 via the Internet 6.
