本文对初唐诗歌的下限重新作了界定，论述了初唐百年间，随着三代诗人身份的变化，诗歌从御用的路线转向个人抒情的路线这一重要变化。作者认为性情与声色的统一是初唐诗人为盛唐诗歌高潮的到来所作的主要准备。初唐诗歌创作的突破主要是由七言歌行承担的，它对盛唐诗歌新局面的打开起了重要作用。论文最后还探讨了初唐诗歌发展缓慢的原因。 This article redefined the lower limit of the poems in the early Tang Dynasty, and discussed the important changes in the poems’ transition from the royal line to the personal lyric line with the changes of the identities of the three generations of poets in the early Tang Dynasty. The author thinks the unification of temperament and sound is the main preparation made by the poets in the early Tang Dynasty for the climax of the poetry of the prosperous Tang Dynasty. The breakthrough of poetry writing in the early Tang Dynasty was mainly undertaken by the Seven-Character Songs, which played an important role in opening up the new situation of poetry in the prosperous Tang Dynasty. Finally, the paper also explores the reasons for the slow development of poetry in early Tang Dynasty.