From the existing research results, the majority of scholars have only a single pair of farmers 'income structure changes or fluctuations in farmers' income has been studied, and the combination of the two studies investigate the relationship between the two is not a lot. Therefore, this article will change in farmers 'income structure combined with farmers' income fluctuations, the first between the two since the reform and opening up to analyze trends, thereby visually determine the intrinsic link between the two, and then draw the industrial sector to economic contribution to growth volatility model, using state-space model the correlation between the empirical research to reveal the farmers' income and the income of the intrinsic link between the structure, the final results based on empirical research, from the point of view put forward to promote the farmers income sources Several policy recommendations to increase.