Abstract: To explore the change rule of economic benefit of rural construction land reclamation engineering in Chongqing，five districts of hilly and low mountain region of project type in western and low mountain region of project type in eastern of Chongqing were chosen as the study objects，and analytic hierarchy process was（AHP）used to study the the economic benefit of five regions reclamation project.The results showed that the economic benefit of hilly and low mountain region of project type in western was better than the low mountain region of project type in eastern of Chongqing，and the economic benefit evaluation of five districts which were Hechuan Distract，Zhongxian County，Qijiang Distract，Youyang County，and Wushan County were 0.722，0.618，0.538，0.605，0.226.There were agreement of weight of direct and indirect economic benefit among five districts，but the farmer′s economic benefit weight was different.Except for Wushan County，the farmer′s economic benefit had bigger weight in reclamation economic benefit in other four districts，which was about 0.430.The economic benefit of different districts of rural construction land reclamation project was different，in order to make full use of the land resources，the different policies should be made for rural construction land reclamation in different district，and the urban and rural development of Chongqing would be promoted.