From the list of state forestry leading enterprises and forestry industry of Hunan Province the first batch of leading enterprises choose 12 enterprises, use secondary literature search and field survey collecting the business data, employ data envelopment analysis (DEA) model, carry on the contrast analysis to forest products trade business operating efficiency of 12 forestry enterprises, construct the input-output index system of forest products trade business operating efficiency of the forestry enterprises. The results show that forest products trade business operating efficiency is better...