This research looks on the technology metastasis as an important link in the innovative chain. It analyses the factors of the agricultural technology metastasis, and studies the interplay and correlation of technology itself, institute, enterprise and environment on the basis of defining the agriculture technology product and technology metastasis attribute and the connotation, aiming to give a forceful support for the construction of agriculture. The results show that the agricultural technology transfer is a multivariate sophisticated system. No positively optimal solution exits and there are only relatively suboptimal states under some certain conditions.