According to the book "The Original Story of Poetry" written by Meng Chi, people regarded the works of Tu Fu as "Poetic History" since the Tang Dynasty. The statement referred to" the works of Tu Fu reflecting and criticizing the fact of the times." Besides, the verbal expression of Tu Fu was truthful and frank. The scholars concerned and argued about the internal difference between "poetry" and "history", "poetry" implying "history" or not," metaphor and inspiration" referring the essence of poetry or not since the middle of the Ming Dynasty. Due to this, the scholars argued on verbal expression about "poetry" "truthful and frank" or "metaphorical and inspiring." Among the tread of thoughts, Wang F-chih criticized the statement about regarding Tu Fu's poetry as "Poetic History." He emphasized the individuality between "poetry" and "history. "Further more, on the issue of verbal expression about poetry, Wang Fu-chih demurred to ironical and frank expression. He advocated expressing gently and metaphorically.