杜仲是我国特产的名贵中药材。近年因杜仲皮供不应求,售价渐长。但由于剥皮技术不完善,使得一方面剥皮强度小,资源利用率低;另一方面剥面愈合率低,造成杜仲死亡。近年湖南、陕西等地研究出杜仲环剥技术,使杜仲栽培效益大为提高。但是能否进一步扩大剥皮面积,缩短利用周期,提高杜仲的经济效益,我们从 Eucommia is a precious Chinese herbal medicines. In recent years because of eucommia in short supply, the price of longer. However, due to the imperfect skinning technology, on the one hand, the skinning strength is low and the resource utilization rate is low; on the other hand, the skin healing rate is low, resulting in the death of Eucommia. In recent years, Hunan, Shaanxi and other places developed eucommia girdling technology, so that Eucommia cultivation benefits greatly improved. However, whether to further expand the skinning area, shorten the utilization cycle and improve the economic benefits of Eucommia, we