Abstract: Cunninghania lanceolata Hook is an important endemic timber species in China and has been widly planted in the subtropical region of China. The conditions of climate, topography, soils and growth rate, annual imcrement are quite difference in different areas. For properly extending of Chinese fir plantation, its commercial timber production areas suggested based on conditions of natural environment, its growth behavior and traditional production 3 zones and 6 regions have been recognized. They are northern zone; western region, eastern region; Central zone; eastern region, central region and western region; southern zone with one region. At the same time, the potential productivity is also estimated for different regions and zones.Accoding to the growth condition 14 main commercial timber production areas have been suggested.