Each of the new world of female breast cancer patients found that more than 1.3 million, oh desires of the women in each of 25 ~ 45 million. Breast cancer has become a threat to the health of women a major cancer types. According to the information released by the World Health Organization, in 1982 the world of breast cancer standardized incidence rate of about 11 to 80/10 million, the mortality rate is about 0.7 ~ 28.6/10 million. However, different countries and regions of morbidity and mortality significantly different. China's relatively low level of breast cancer, no significant regions with a high incidence of breast cancer, deaths were distributed state, usually in large cities and the mortality rate higher than that of small and medium-sized cities, urban than rural areas, which may be related fertility, nutrition, and environmental factors .
