With the economic development in China,the amount of urban sewage sludge in the sewage treatment plants is growing significantly,and therefore the treatment,disposal,and resource utilization of the sewage sludge become an urgent problem.In this paper,the ways for resource utilization of the sewage sludge were introduced and classified,and different treatment technologies for the sewage sludge were compared from the aspects of development,current application situation,and regional characteristics.Then,the fe...