Unlikely to the initial purpose of the establishment of Shaso, many Shaso warehouses were constructed at the initiative of the dominant class of people who were embracing the doctrines of Zhu Xi (Neo-Confucianism) in Japan and therefore, the mixture with giso warehouses constructed by the dominant class of people was spread.
このように日本では本来の設置意義と違って朱子学を奉じた支配階層主導による設置も多く行われ、支配階層による義倉との混同が進んだ。