As life in a rapidly changing Internet age at home and abroad, large amounts of information are being
used medical, financial, services, etc. Accordingly, especially hospitals, is an invasion of privacy caused by
leakage and intrusion of personal information in the system in medical institutions, including clinics
institutions. To protect the privacy & information protection of personal health medical information in
medical institutions at home and abroad presented by national policies and de-identification processing
technology standards in accordance with the legislation. By comparative analysis in existing domestic and
foreign institutional privacy and de-identification technique, derive a advanced one of pseudonymization and
anonymization techniques for destination data items that fell short in comparison to the domestic laws and
regulations, etc. De-identification processing technology for personal health information is compared to a
foreign country pharmaceutical situations. We propose a new de-identification techniques by reducing the
risk of re-identification processing to enable the secondary use of domestic medical privacy.