In 765, she prohibited any kind of private ownership of land, except for temples and shrines, because the land was overly cultivated due to the Law Permitting Permanent Ownership of Newly Cultivated Land.
天平神護元年（765年）には墾田永年私財法によって開墾が過熱したため、寺社を除いて一切の墾田私有を禁じた。