With the population increasing and industrial development of Guiyang City , Nanming River has been seriously polluted.The self-purification of pollutant in river and self-restoration of river become weak , and the ecological system and survival environment are seriously damaged.In order to control the pollution in Nanming River , bioremediation , aeration technique , and sediment eco-dredging engineering are used.At the same time , controlling the pollution source is found to be a necessary way to control the river pollution.By developing the self-restoration capability of ecology , applying technical means , and controlling the pollution source , Nanming River’ s ecological system can be restored to its natural state.By restoring the internal structure , system function , and inner relationship of Nanming River’ s ecological system , the ecological environment of harmonious coexistence between man and nature can be available.