Songliao Plain is an important crop and livestock production base in China.It is important strategic choice to realize agricultural modernization through development of circling agriculture.According to the connotation,technical objectives and basic principles of circular agriculture,combined with current status of the development of circular agriculture,needs to develop circular agriculture in Songliao Plain were discussed in the paper.Finally,based on practice and studies of circular agriculture,main orientations of studies of circular agriculture technology in Songliao Plain in the future were discussed.