Professor Huang Zhao-qiang's new work of The Review of the Study of Zhang Xue-Cheng(1920-1985)is the masterpiece about the study of Zhang xue-cheng.The author also put forward his own point of view while reviewing Professor Huang Zhao-qiang's new work.The author found that Zhang xue-cheng's theory that six confucian classics were all historical works was based on his theory of Dao.His theory of Dao contained three levels: the Dao which produced everything;the Dao which Zhou Gong managing things;the Dao which recorded in the classics. Zhang xue-cheng preferenced the Dao of the second level. Zhang xue-cheng was the successor of Zhu xi but not of Wang yang-ming.