Abstract: Land consolidation and reclamation are human kind interference with land resources. By the projects of land consolidation and reclamation, the quality of cultivated lands was improved. The area of cultivated land was increased effectively. The objects of land consolidation and reclamation are low quality lands, scattered and cracked lands, irregular lands, abandoned building lands, lands destroyed by calamities, degraded lands, and so on. The project is composed of earthwork, irrigation and drainage project, road project, farmland protecting project, soil improvement project and others. By the statistics of farmland consolidation and reclamation projects in the Northern China, the paper analyzed the compositions of the cost of each project, concluded sensitive factors of program, and put forward the exterior approach by which the quantity of earthwork and other project costs could be reduced, so that the total cost of the program was cut down.