Comment on the rural domestic sewage treatment technology

In view of the pollution problems caused by the rural domestic sewage,and considering finding the optimum solution of domestic sewage treatment,decentralized treatment technology with energy-saving,good efficiency and low investment have been attracted more and more attention in our country.The paper introduces the source of rural domestic sewage and the statues of treatment in China,and then analyses principle,characteristics and applications of the main decentralized treatment technologies at home and abroad.So the selection principle of the rural domestic sewage treatment technology is discussed in order to provide references for the choice of the suitable rural domestic wastewater treatment technology in our country.