During American occupation of Japan from 1945-1952,GHQ/SCAP carried out a comprehensive social reform in Japan to eliminate militarism.In the reorientation and reeducation policy,thepublic library was considered as a tool for disseminating democracy.Japanese public libraries at that time were unable to take this responsibility.So public library reform began as early as 1946.There were four main steps in the reform.First,to establish CIE libraries,which introduced During American occupation of Japan from 1945-1952, GHQ / SCAP carried out a comprehensive social reform in Japan to eliminate militarism. The reorientation and reeducation policy, the public library was considered as a tool for disseminating democracy. Japanese public libraries at that time were unable to take this responsibility.So public library reform began as early as 1946. There were four main steps in the reform. First, to establish CIE libraries, which introduced