There is strong epidemiological evidence, based on 15 prospective studies, 10 meta-analyses, and 5 systematic reviews involving more than 2.2 million patients, that alcohol consumption is a contributing factor for the development of breast cancer. The evidence regarding the effect of alcohol consumption on breast cancer outcome needs to be gathered in order to draw firm conclusions regarding alcohol consumption after breast cancer diagnosis. In this article, we aim to review the current literature regarding recurrence and all-cause and BC cause mortality and identify postulated. We would make suggestions for future research.