Until the second half of the 20th century, it was understood that the Taika Reforms were an epoch in the introduction of the Ritsuryo system into Japan, but since the latter part of the 20th century, they have not necessarily been considered an important epoch in the history of the Ritsuryo system as it has proven that the measures of the Taika Reform were later embellishments.
20世紀中後期頃までは、大化の改新が日本の律令制導入の画期だったと理解されていたが、20世紀後期頃から、大化の改新の諸政策は後世の潤色であることが判明しており、必ずしも律令制史上の画期とは見なされなくなってきた。