Abstract: In order to improve the quality of professional postgraduates,increase university running level,and promote the establishment of long-term mechanism for enterprise-academics-research joint training.Taking the joint trainning of professional agronomy postgraduates in Heilongjiang Bayi Agricultural University as an example,this paper discussed the joint tranning mechanism of production,teaching and research,from the aspects of improving the tutor system,professional curriculum system,establishing long-term cooperation mechanism and so on.