Abstract: Considering that in the process of processing and production of traditional agricultural products, there would be surplus of agricultural products among enterprises due to the aging of traditional agricultural products, which would affect the freshness. Based on the game theory, the optimal decision of agricultural product supply chain composed of new agricultural product manufacturers and suppliers on agricultural product freshness technological innovation was studied, and under the government regulation, the overall profit, output and influence of agricultural product supply chain in non-cooperative innovation and cooperative innovation were analyzed. Through the analysis, it was concluded that the profit, output and freshness effect of cooperative innovation were the best, and the government regulated the enterprise behavior through encouragement and punishment, which could make enterprises actively invest in technological innovation, and some corresponding countermeasures and suggestions were put forward.

Key words: agricultural product supply chain, cooperative innovation, freshness, government regulation, game theory