主要的树皮药材有杜仲皮、黄柏皮、厚朴皮与肉桂皮等,可以按照下列方法采收和加工。 一、采皮方法 1、砍树采皮法。即把需要间伐或主伐的树先行砍倒,再按一定的长度分节剥下枝皮和树干皮即可。 2、活立树采皮法。①环割采皮:先分别在树基部离地20厘米处和树干120厘米处各环割一刀,在上下割口间从上沿树 The main bark herbs are Eucommia bark, cork bark, honeysuckle leather and cinnamon, etc., can be harvested and processed according to the following methods. First, mining methods 1, cut the tree picking method. That is, the need for thinning or cutting the tree cut down first, and then cut off the branches and trunk bark a certain length of section can be. 2, live tree mining method. ① cut and cut the skin: First, respectively, at the base of the tree 20 cm off the ground and the trunk of 120 cm at each cut a knife, between the upper and lower incisions along the tree