Abstract: The index system and coupling coordination degree model of digitization and agricultural modernization was constructed, and the coupling and coordinated development level of digitization and agricultural modernization in Shandong Province was studied, on this basis, the Tobit model was constructed to deeply analyze the influencing factors of their coordinated development.The results showed that the comprehensive development level of digitization and agricultural modernization in Shandong Province was generally on the rise; the degree of coupling coordination between digitalization and agricultural modernization in Shandong Province was steadily rising, in 2018,it had entered the stage of high-quality coordination; since 2016,digitization in Shandong Province had play a greater role in promoting agricultural modernization than agricultural modernization; economic development, opening up degree, industrial structure and talent reserve had significant effects on coupling coordination degree.Finally, based on the above research conclusions, relevant policy suggestions were put forward.