Abstract: Along with the development of information technology，3S technology in agricultural fields of application，makes agricultural production more information.In China，the “3S” technology in agricultural field has made great progress，it is widely used in modern agriculture，including crop yield estimation of detection，meteorological and plant diseases and insect pests forecasting，fine fertilizers，irrigation，special representative for precision agriculture.3S technique in agricultural field were reviewed，the application status in our country agriculture development put forward the 3S technology suitable for the cultivation pay great attention to the talents and exert advantages in resources，market-oriented，rely on science and technology drive to improve the economic benefits of the development direction for our country agricultural production informatization，to provide the reference.