Munakata Medical Association Hospital is leading the way with its liaison system for electronic medical records and sharing medical information system in Munakata area clinics. A validity experiment was carried out from December 2001 to Autumn 2003 and over 600 patient joined the examination. 90% of the patients surveyed judged it to be convenient about using the system. Medical Image report is most usefull for clinic doctor. The PHS data communication system is easy to install and provides greater flexibility for users over a wider area. Thus, it has proven to be a useful tool for information communication in regional medical care.