Du Fu is a realistic poet. His poems are characterized by archaism and rhythm, and have various styles. He accurately summed up his work style with the words "depressed and frustrated", mainly focusing on depression.
Du Mu's poems are famous for their seven-character quatrains, and the main content is to chant history and express emotion. His poems are handsome and natural, and cut into secular things. He achieved great success in the late Tang Dynasty.
Wang Anshi was a politician, reformer and writer in the Northern Song Dynasty, and one of the eight masters in the Tang and Song Dynasties. His poems are "thin but difficult to learn from Du Fu" and good at reasoning. In his later years, his poetic style was subtle, profound and simple, and he was unique in the poetic style of the Northern Song Dynasty, and was known as "Wang Ti" in the world.