Urban disadvantaged groups is the easy damaged and marginalized groups in the economic system transformation .With social factors such as social transformation, economic restructuring and industrial restructuring, the problem of urban disadvantaged groups has became increasingly prominent,and has affected our economy development and social equation. Based on the studies on the situation of disadvantaged groups in our country , it can be considered that, recently, the size of the disadvantaged groups is still in increasing and the survival of vulnerable groups have not achieved effective improvement. Therefore, an urgent measure with government-led, to establish and improve various policies and mechanisms to protect the basic rights of vulnerable groups should be on the way, so that we can achieve the goal of building a well affluent society.翻译的不好,仅供参考^_^