Abstract: The purpose of this paper is to make up for the deficiency of the agricultural application study of big data from Internet demand side . By means of network investigation and comparative analysis, Firstly, it clarifies the source and classification of big data on Internet demand side，then analyses the application model and process of with big data in the field of agricultural products. Finally, it puts forward suggestions to strengthen the guidance of big data application on Internet demand side in agricultural field through specific measures，such as enhancing application awareness, introducing talents and cooperating with third-party Internet platform。