The purpose of the system is that while storing animals' medical reports, saving with secure system based on blockchain which is reachable in WEB and IOS platforms and also animal owners can use for their animals’ health in order to save animals’ health secure and help people who want to have a pet. Nowadays, animals’ health history is saved only animals which are taken to the vet and this recorded by vets. If those animals stopped to take the vets, this information do not store anymore. Moreover, there are many animals which live in streets, animals’ shelters, forests and so on do not have owners. Those animals’ health records are not stored and many of them suffer from many diseases. People want to have a pet and they want to ensure its health records.