Mr.Zheng''s classical poems are deeply imprinted with the soul of the times in his pursuit of dreams,feelings for motherland,social responsibility, and academic pursuits.His poems,whether about travel,farewell, nostalgia, or about missing for others,often represents a melancholy state of mind.His poetic mood and image reflect an intellectual''s inner-most nostalgia for the times without any concealment. Whether a poem on his first contact with reality and society,or a poem of unfounded sadness for a drifting and bleak life, or a poem about his later complaints when teaching and educating people,or a poem about his emotional turmoil in the ups and downs of life,all reveal his conscious and strong responsibility for the society.