The soil loss area of China is 1，500，OOOkm²，being one sixth of the land area of the nation, the annual soil loss amount is 55，000 million ton or more, farmland correspoding to 1，600，OOOha, large and 17 cm thick is des troyed, If it goes as this for long, the great loss would be irretrievable once the developed soil loss has brought harmness and dangerous conse quences, From now on the soil conservation problem should be an impor tant topic for discussion in the work of each grade government; effective measures should be adopted such as increasing the funds of harness, formulating the policies and safeguarding the activity of farmers, As soil and water conservation is also a major task of the water conservancy department, the old idea thinking only the water conservancy engineering as the orthodox task must be changed, Great number of reservoirs have fully deposited and have lost effectiveness, which is the inevitable punish ment to the water conservancy department,always neglecting soil and wa ter conservation, and saying yes but meaning no, Mistake and setback has given bitter lessons, For this the special technical cadres, especially the leaders in authorities of various grades for soil and water conserva tion, ought to be cultivatied in great attention, in order to well operate the harness of soil loss,