Disgrace is written by South African writer J.M.Coetzee.As a renowned South African writer,Coetzee's works often delve into complex issues of race,society,and personal ethics,while deeply exploring themes of postcolonialism and racial relations.With his profound insights and literary talent,he has made a significant impact on the international literary stage,receiving widespread acclaim and recognition.Disgrace earned Coetzee the Booker Prize twice in 1999,making him the first author in history to achieve this feat.The protagonist of the story,David Lurie,experiences a misalignment of family eth-ics,sexual ethics,and societal ethics due to his personal misconduct.This paper begins with an analysis of the concept of"masculinity"and,in conjunction with the background of social transformation in South Africa,examines how this ethical mis-alignment leads to David Lurie's loss of his position as a university professor,the disappearance of white male racial superiori-ty,a decline in social status,a failure in fatherhood identity,and ultimately results in the loss of his overall masculinity and a profoundly tragic personal fate.