In Chinese history, the Ritsuryo system was most prominent during the Sui and Tang dynasties, whereas in the surrounding East Asian countries, the system was widely enforced from the latter half of the 7th century to the 9th century as it was introduced from China.
中国史上では、隋から唐にかけての王朝で顕著であり、周辺の東アジア諸国では7世紀後期～9世紀頃に、中国由来の制度として広く施行された。