The Gunma Medical Association (GMA) has held the Patient Safety Conference since 2016. The GMA is entrusted by Gunma Prefectural Government to urge medical institutions to provide high-quality medical services and to ensure patient safety in Gunma prefecture. This year WHO established September 17 as World Patient Safety Day. Therefore, the GMA, Gunma Prefectural Government and Gunma University (WHO Collaborating Centre, JPN-89) will organize the Patient Safety Conference 2019 on that day. Director of Medical Safety Promotion Office, Administration Division, Health Policy Bureau, Ministry of Health, Labor and Welfare in Japan will be invited as a special lecturer.