It considers that land consolidation alters land-use and land-cover change, and optimizes and controls its. Simultaneity, land consolidation wants land-use and land-cover change to give technique sustain. Additionally , land consolidation of county zone is the concrete implement of land consolidation object and aspect of regional and nation, the avail location that proves and appraises land consolidation effects of regional, tails and inspects these effects. So, the paper takes Wanzhou county in Chongqing as a case, and discusses land consolidation and land-use and land-cover change in county zone.