The purpose of this study was to make clear how the drafts of "Shogakusei-nokagaku (Science for School Children)" for the fi fth and sixth grades (1949) were adopted by the Advisory Science Committee and modifi ed by this committee and the CIE in the GHQ/SCAP. Through the study of documentary records, the following results were reached: (1) Among the 19 units included in above science textbooks, the drafts of 17 units written by the Kyushu District Science Committee, one of nine local district science committees in Japan, were adopted. When the Advisory Science Committee adopted the drafts of these science textbooks, it was seemed that there were the following standards: 1) To make them solve the problems by themselves. 2) To take up many experiments and observations for school children. (2) On the occasion of compiling these textbooks, the Advisory Science Committee and the CIE deleted, modifi ed, added and substituted the drafts of the Kyushu District Science Committee.