Phyllostachys heterocycla is a piece of bamboo that has the most important economic value and the longest history.Phyllostachys heterocycla in China counts the largest percentage of bamboo forest about 70%,which is a piece of bamboo used in materials.There will be a lot of residuums caused by the low use ratio of bamboo wood in the process of production.So the point of research now is the comprehensive utilization of bamboo timber processing residue resources.In this paper,the outer of bamboo which is produ...