The main modes of agricultural technology extension in Jilin province were determined by means of reality investigation. Comprehensive evaluation index system of agricultural technology extension modes was designed according to audience-centered theory,and comprehensive evaluation of agricultural technology extension modes in Jilin Province was carried out by using entropy index method. The results showed that native expert mode,media mode and agricultural supplies store master mode and basic agricultural technology extension mode were more efficient,especially native expert mode and media mode were the most efficient in agricultural extension coverage,farmers satisfaction degree and promotion efficiency. Whereas the extension efficiency of other modes including the research institutes,professional cooperative and agricultural leading enterprises was lower.