Shortage of supply of rural basic public service lies in the fact that incentive mechanism of local government distorts local officials’ public decisions.In order to maximize their benefits,local government officials will try hard to develop local economy so as to widen tax base and their achievements were perceived by higherlevel governments or residents through mass media,which will be beneficial to their reappointment or promotion.Therefore,supply of rural basic public service can be greatly improved through changing urban bias in mass media information supply and perfecting incentive mechanism on local government officials.