LI Meng-yang's criticism to Shi Cong Collection,which was written by his teacher YANG Yi-qing,has a special feature of its own. He concretely analyzed the artistic feature of YANG Yi-qing's poetic works in four aspects:the style of Tang and Song,the personality of the poet,the aesthetic character and the poetic creative skills. The reader can realize YANG Yi-qing and his poetry better,and also realize LI Meng-yang's opinion of poetics by his criticism. It is instructive to research the revivalistic motion of poetry and prose in the middle period of Ming Dynasty.