Abstract: with rapid development of Chinese economy and society,timber demand grows fast.Due to the limitation of domestic supply,foreign reliance extent of timber import gradually rises and timber import risk gradually goes up correspondingly.Based on the indexes of HHI and S-W,this paper formulates the indexes of timber import risk.The indexes includes risk status,difference extent and resource sustainability of China’s timber import source countries.The analysis result shows that China’s total risk of timber import gradually has been rising since 2006 although concentration extent of China’s timber source countries declined at the same period.

Key words: timber import, market concentration, country risk, systematic risk, resource risk