Soysauce that has a long history, is a traditional food in the Orient area, and is supporesed the region of origination was northern of Korean peninsula or southern of Manchuria. After ward, it is convinced that spreaded to China continent, Korean peninsula md Japan. I have published a book named "Jang it′s History Culture and Industry" in 1999. in which illustrated the history of soysauce, but I cannot explain the details of history of Japanese soysauce because of deficiency of the data, so I hope a complement. Let me report a translation of KAWATA′s study, in here