Abstract: Thodore W.Schultz pointed out that the transformation of traditional agriculture requires to give the “modern production elements”to farmers on the basis of family-run，with a particular emphasis on the role of human capital. Through the analysis of survey data from 358 farmers in Y County of Hubei Province ，we have used logistic model and found out that : age，education，social status may significantly affect on farmers’ technical service needs，while the relationship between age and technical service needs of farmers shows inverted U type，level of education has a negative effect on the demand for agricultural technology services，and there is a positive correlation between social status and agricultural technology services needs. Policy implications of this paper is that agricultural technology popularization needs cultivation of new agricultural management body，we have to create new ways to foster the human capital beyond education，and give fully consider to the farmers’different demand for technology in different social status in rural areas in order to reduce the difficulty of agricultural technology popularization.

Key words: human capital, social capital, agricultural technology service, the popularization of agricultural technology, agricultural management