The basic problems in mountainous regions are thought as odious condition of nature and economy，unrational structure of production,little input to science,technology and education,too much population to burden but with poor personal quality ,the severe reality could not permit the harness of small watershed to run on the way of high input and output. On thinking the special conditions of China the harness of the small watershed should exploit and utilize the potentialities fully of natural resource,man-power,necessaries.input,science and technology as well as the potential productivity of some resource based on the persistence of equitability,sustainability,harmony,requirment,high efficiency and periodic leaping to get the sustainable,stable and coodinating evelopment of small watershed.meanwhile.in the process to obtain shortterm benefit the longterm interest of future generations could not be infringed.