There have always been differences and misunderstandings on the moral values of Machiavelli in history. Although Machiavelli's theory has flaws, it is a kind of prejudice to regard it to be "Machiavellism" which was accused of being corrupt morals, advocating evil. This paper tries to clarify such prejudices and misunderstandings, and to re - recognize the originally significant realistic moral values of Machiavelli by studying the backgr...