The objects of this paper are to suggest a necessity of construction of economic history eduction for teachers training courses.The Money recasting of Genroku and Houei implemented by Ogiwara Shigehide led to inflation by reason of excess money supply .In 1714,Arai Hakuseki implemented “Money recasting of Shoutoku” to hold down inflation. Money recasting of Shoutoku,however,decreased too much money supply. Therefore, rapid deflation occurred.