The slope position, slope-shape, mather rock and landforme are leading factors of site classification on main cultivated areas of Albixia falcda in Guangdong province, which were selected by Multiple regression and Main-element analysis in this paper. According to these leading factors, the site of cultivated area was classified by gradual control. This paper also evaluates the productivity and suitability of Albxia falocia growing in different site unite of the cultivated area.