Clinical division of stages in 289 cases of chronic myelogenous leukemia （CML） and reviewing investigating survey analysis were made for its relationship with TCM syndromes. And then relative problems of clinical syndromes

names of diseases and syndromes were researched respectively according to the analytic results. It is indicated that the disease is characterized mainly by clinical changes of the 4 stages

i. e. pathogenic factor falling while body resistence excessive: pathogenic factor accumulating while body resistence prevailing; pathogenic factor advancing while body resistence weakened: pathogenic factor excess while body resistence deficience. And it is firstly put forward that Sui Du is served as name of disease and syndrome of CML.