Abstract: races were heternrhroni tries had different patholagiral types of two kinds of cancer cages had carne pathological types.The first tanner of Traces dart rastcer.11 data showed:the firsst cancrr in double-side rexttr trrlainly was Burl CRr1Cer.the fetnale.R of below dil years had moth prola-ability to suffer from double-side breast cancer.Fihrnrystic proliferation was risky factor of dnishle，ides hrexsr rRrsCer.The patient of single aide breast canter in pass-operation paid not only atteninn to relapse and transplantation but also ranceration of healthy parts.