Abstract: From rural financial perspective, this paper discussed the relationship between rural financial development and urbanrural income gap. The results showed that rural financial scale expansion enlarged urbanrural income gap, and the increase of financial efficiency could shrink urbanrural income gap in Jiangxi. Therefore, the government need to pay much attention to the rural financial support policy, build a diversified rural financial institutions system, strengthen the rural financial support for rural middle and smallsized enterprises and farmers economy, promote hard the development of rural economy, increase the income of the local rural residents and narrow the income gap between urban and rural areas.