Resources crisis,energy security and global warming have become primary factors of restricting economic sustainable development, in this case,if forestry enterprises want tremendous development,they must transform existing ignoring environmental costs' extensive economic growth pattern,technological innovation is the fundamental way to transform economic growth pattern for forestry enterprises.This article puts forward the way to construct forestry enterprises technological innovation body on the basis of analyzing forestry enterprises technological innovation's current situation ,so that forestry enterprise can realize intensive economic growth pattern of low-carbon and circle,finally,this article designs construction's evaluating indicators system of innovation body to provide us a criterion that construction is rational or not.