Who is the representative of realistic poets among the representatives of Tang poetry school?

Du fu.

Du Fu, whose real name is Shaoling Yelao, was born in Gongxian County in Tang Dynasty. Du Fu was an outstanding realistic poet in the prosperous Tang Dynasty. He is known as "the sage of poetry", and his poems are profound and infectious, and he is known as "the history of poetry". Du Fu wrote 1500 poems, which reflected social reality and showed noble personality. Du Fu's poems have a far-reaching influence on China's classical poems, which are still celebrated by the world today.