Abstract: From the perspective of big agriculture, based on panel data of agricultural economic development from 2001 to 2018, by using unit root test, co-integration test, VAR model and impulse response function, taking leisure agriculture and agricultural industry upgrading as core explanatory variables, and agricultural environment regulation and agricultural human capital as control variables, the influencing mechanism of leisure agriculture and agricultural industry upgrading on agricultural economic growth were expounded.The study found that leisure agriculture had a continuous positive influence on the improvement of agricultural economy; The contribution of agricultural industry upgrading to agricultural economic growth was significant, showed a strong pulling effect, but in the later period, the trend was gradually weakened; The promoting effect of agricultural environment regulation on agricultural economic growth was relatively weak, and even showed time-delay effect; Agricultural human capital played a certain role in promoting agricultural economic growth, but its diminishing trend was obvious in the later period.

Key words: big agriculture, leisure agriculture, upgrading of agricultural industry, agricultural economic growth, VAR model, impulse response function