Golden Mirror of Medicine，Key Points of Surgery a classic book for Chinese medicine surgery by the later generations.This book elaborates on the etiology，pathogenesis，treatment methods，formula and prescriptions for internal administration of breast diseases，and also creates many unique external treatment methods.Some theories and formula passed today，but lack systematic summary.This paper expounds the academic thinking about breast diseases in Golden Mirror of Medicine，Key Points of Surgery，and its main academic views can be concluded as treating breast diseases like skin ulcer，focusing on external treatment，invention of Hongsheng and Baijiang pellet to treat breast cancer，staged treatment of breast cancer，treating chronic mastitis by fire needle.This paper also analyzed the medication characteristics of prescriptions.Tracing the source and seeking the source，it has been used in the past to guide clinical treatment and provide ideas for the treatment of current clinically refractory breast disease.