As the income growth of farmers is slow,any powers including financial crisis to widen income disparity can have great effect on rural poverty.Based on household-level survey,the paper analyses the relationship between financial crisis,income disparity and the prevention of spread of poverty in Chinese rural area by ways of parameter regression,Gini coefficient methods.The results show that income disparity is caused by finance,education,non-agriculture income,cooperative participating and region diversity; while they have different effect on the enlargement of disparity and worsening poverty in various ways.So the prevention of the worsening poverty should also pay more attention to these factors and its mechanism of action.