Who is the poet with the largest number of existing Tang poems?

Among the poets in the Tang Dynasty, Bai Juyi preserved the most poems.

Bai Juyi compiled Bai's Anthology (formerly known as Bai's Changqing Collection) before his death, and collected more than 3,800 poems, which were later lost. The earliest extant white poetry anthology is Shaoxing engraving in the Southern Song Dynasty, with more than 3,600 poems.