It is the seventh anthology of Hachidaishu (the eight Imperial anthologies of Japanese poetry), and was completed before "Shin Kokin Wakashu" (New Collection of Ancient and Modern Japanese Poetry) and after "Shika Wakashu" (Shika Collection of Japanese Poems).
『詞花和歌集』の後、『新古今和歌集』の前に位置し、八代集の第七である。