Nowadays,rural domestic sewage has had serious effects on the natural environment in rural areas such as the body of water and soil.In order to ensure rural water security and good health condition of farmers,it is urgent to treat the rural sewage.The theoretical principle,characteristics,deficiencies and application status of some decentralized disposal technologies for domestic sewage are introduced,which include high rate algal pond technology,subsurface infiltration treatment system,earthworm eco-filter,constructed wetland treatment technology and membrane bioreactor technology,so as to provide references for the rural sewage treatment.
