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.