Abstract: AS the black disease of ear influenced its yield and quality,this experiment have already studied the Banzhongshuang, Duojunling, Mixian＇an ,Shanzuotong etc.4 kinds of mix medicine in 2011, at originally of a foundation of four kinds of medicines increased again the Xizuochun, Jiajiliujunling, Daisenmengxin,Baijunqing etc.4 kinds of mix medicine In 2012,Trying to make use of the method of medicine mixs eased the occurrence to the black ear disease of son of preso , as a result on trial analysis to find out a kind of mix medicine more and featly.