In the rejuventating movement of practical academic study in the time of Daoguang,ZHANG Mu,following such famous scholars as GU Yan_wu and YAN Ruo_ju,advocated patriotism and the spirit of practical academic study and devoted his effort to saving the nation in academic way.His unique qualities and versatile academic achievements exhibit the great academic tendency of exploration and innovation in the traditional practical academic study moving toward the modern study at the historical moment of great social...