Professore Duyumao has profound study and extensive clinical application of Zhongjing' s academy and Zhongjing prescriptions. Professor Du takes the classical prescriptions as the priority in treating chronic kidney disease,complicated and difficult disease,which is a wonderful work of medical art in the TCM academy and clinical practice. He often uses common methods and common medicines in a flexible way,which seems quite plain but with lasting and extraordinary effects. He combines the principle,method,pr...