Through investigation on migrant workers of 254 villages of 31 provinces in China from 2009 to 2014, it was found that the current rural migrant workers are in the majority with manual labor, still concentrated in traditional industries such as manufacturing and construction industry, but the service choice has increased, the proportion of foreign languages workers is on the decline. At the same time, it exists the following problems: social capital is limited, cultural level is low, employment services is lack, guarantee mechanism is lack, an...