Agricultural big data assets management is the prerequisite of developing big data of agriculture and countryside.Combined the knowledge of agricultural fields and the hot topics in big data industry,agricultural big data assets management was discussed.Furthermore,definitions and descriptions of the concepts were defined,and some features of agricultural big data assets were analyzed from the view of service value.Next,the facing challenge of agricultural big data assets management was discussed from the aspects of storage,quality,value,safety,open and personnel training.The present situation of agricultural big data assets was analyzed.At the end,some thinking and suggestions were proposed for agricultural big data assets management.