Based on the kinds of soil conservation areas,the aims of prevention and cure and current situation of soil erosion in the Feilaixia hub construction in Guangdong province,the principles,periods,contents and methods for monitoring soil conservation of the development and construction project are put forward.In order to reflect the situation of soil erosion and conservation in each areas in different periods, the four principles should be followed,those are the four combinations of overall survey and focal point observation,state quantity observation and dynamic analysis,field monitor and model analysis,and the contents and each area characteristics.The monitoring time can be divided into three periods.The contents include landformand topography,the earth's surface materials,vegetations,soil erosion,runoff and sediment,soil conservation establishments and their benefits.The methods should match the contents,frequency and equipments and facilities.