Abstract:Kenli County is one of the richest area of land resources in eastern coastal areas in China. It has a large amount of unused land, high proportion, short developing time and uneven distribution. Rational development of unused land resources has an important role in expanding the space of construction using land, maintaining dynamic balance of cultivated land and protecting the ecological environment. By analyzing the current situation and development prospects of unused land in Kenli county, suggestions on development of unused land have been put forward.