Abstract：This paper calculates agricultural technology services efficiency of all provinces from 1996 to 2010 using DEA method, and analyses influence factors of agricultural technology service efficiency by SEM.Results showed that, in recent 15 years, our country's agricultural technology service efficiency is rising steadily, but the regional service level is uneven;agricultural extension workers human capital, agricultural technology service platform, Agricultural production and farmers endowment conditions make a significant positive effect on agricultural extension services.Optimization agricultural technology personnel capital and farmers endowment conditions, so as to improve agricultural production conditions, strengthen the construction of the service platform of agricultural extension and effective use, will help promote China's agricultural extension services.
2013, 
