Third, deepen and expand service content, and improve the methods and modes of service. An important development trend of modern agricultural extension is to transform from pure technology extension, administrative instruction extension to a comprehensive consulting service and mutual communication based on user’s needs . The beginning of China ‘s agricultural extension system was similar to US and European extension practices, China mainland started to use the word “agricultural technology extension” after the establishment of new China in 1949, which strengthened administrative instruction extension.