Abstract: Agricultural science and technology investment plan is an important driving force to improve the science and technology innovation ability and promote economic growth in agricultural field. In the present paper， empirical study was conducted to explore the relationship between investment plan in agricultural science and technology and agricultural economic growth in Qingdao City by VAR model. It was shown that there was a long-term stable equilibrium relationship between agricultural science and technology investment and agricultural economic growth in Qingdao City. Agricultural science and technology investment plan was the granger cause of agricultural economy growth， which always played a positive role after generating short-term negative effects at the beginning. While the agricultural economy， which always produced negative influence on the investment in agricultural science and technology, was not the granger cause of agricultural science and technology investment plan.

Key words: agricultural science and technology investment plan, agricultural economic growth, VAR model, Qingdao City