It is a Noh book that was written by Zeami. Actually, Zeami had a lot of success in Noh but the book also added the idea of Noh book which the father Kan’ami wrote. In general, it is known as ” Hana densho “. It consists of 7 editions, the famous ” Hisu sureba, Hana – secret of skill” is also written. It was established in the Oei era (1394-1428) in the early Muromachi period, and was kept secret for a long time. It is discovered, reprinted and published by a history and geographer and doctor of litterature Togo Yoshida (1864- 1918) in Meji 42(1909), then Kan’ami and Zeami have come to be evaluated by the world. Troupe secrets have been written widely for the prosperity, Noh not only to the relation people, have been read widely in such as educators and managers.