Based on the time serial data from 2000 to 2013 in Henan province，by using the method of impulse response function and variance decomposition of SVAR model，this article analysis the shock effect and contribution from financial credit to farming industry in Henan province，found that the financial credit have a same shock effect to farming industry，and this shock has a significant promoted effect and longer effect，but the contribution of financial credit industry to farming industry is less than. Therefore，it is need to strength the financial support for rural economic development in future，and to improve the support efficiency rate of the rural financial support continuously.