The basic households of this system were called henko (the organization of the people) which included three or four seitei (men in good health between 21 and 60 years of age) and were the fundamental unit from which gundan (army corps) soldiers were selected in what was known as one soldier per household.
その基礎となる戸は、正丁（せいてい）成年男子を三丁ないし四丁含むような編成を編戸（へんこ）といい、一戸一兵士という、軍団の兵士を選ぶ基礎単位になった。