The apparatus for authenticating and securing integrity of DNA data using block chain technology according to an embodiment of the present invention includes a module capable of generating a key pair including an analysis agency private key and an analysis agency public key for an analysis agency. A certification authority device that provides a device to the device and provides a module capable of generating a key pair including a user private key and a user public key for the user to the user device, and the user's genome data extracted according to the genome analysis result is analyzed The analysis institution device for digitally signing with the institution private key and transmitting it to the user device, and the user device for authenticating that the genome data has been analyzed by the analysis institution with the analysis institution public key, and digitally signing and storing the genome data with the user's own private key. include
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