Taking the data of co-authored paper about agricultural products processing between the year of 2014—2016 as an example. This paper studied on the characteristics of knowledge network based on research cooperative relationship from the views of network density, centrality, structural holes, subgroup and soundness by the method of social network analysis. It showed that a large knowledge network exists in the field of agricultural products processing,and the network density was not high;the network was consisted by a variety of cohesive subgrou...