Abstract: Based on theory of industry technological innovation system，and characteristics and experience of agricultural machinery industry technological innovation support system at abroad，current situation and problems of agricultural machinery industry technological innovation support system in China were analyzed.Concept and function of industrial technological innovation support system were put forward.Starting from demands of innovation-driven development strategy，industry competition，technology development and innovation resources，the idea of constructing a new agricultural machinery industry technological innovation support system， which was adapted to national conditions，based on industry，collaborative and efficient，and supporting agricultural machinery industry development，was put forward.