Purpose: The aim of this study was to review systemically journals on the studies for Complementary and Alternative Medicine in the treatment of breast cancer. Methods: Through medical websites, foreign clinical literatures about complementary and alternative medicines of breast cancer were searched. The cite used was http://www.Pubmed.gov. And then they were divided into three groups. Medication, Non-medication therapies and questionnaire reports. Results: 1. We researched 23 papers about herb medicines. Most of papers were about single herb and there were rarely about mixed composition. And there were papers about Ocimum gratissimum, elliptilimba, seeds of Livistona chinensis, golden feverfew which were not commonly used in Korea. 2. We researched 16 papers about acupuncture. Acupuncture had a possitive effect on such symptoms like flushing, nausea and vomitting and pain on upper limb caused by anticancer therapy or tamoxifen or surgery. 3. We researched 36 papers about questionnaire study. Most were about research for women who diagnosed as breast cancer or women after breast cancer surgery. Subjects were about proportion of using CAM, purpose of using it, most popular CAM therapy, satisfaction degree, and relation with age, aducation and social position. And most conclusion were that patient-doctor communication was needed. Conclusion: Afterwards we have to focus on realisitic clinical studies about breast cancer patients, especially postsurgery and people who takes anticancer therapy. And we have to be interest in acupuncture therapy on breast cancer patients.