In recent years, leaders or managerial officials of some well-known enterprises, home and abroad alike, committed illegal or illicit actions that violated business ethics, caused numerous business scandals, thus resulted in incorporate bankruptcies or even brought about companies' oblivion from business communities. Corruptions induced by those well-known enterprises attributed to the leaders' serious deviation of business ethic in which they cheated their costumers or investors. On the contrary, enterprise leaders who value business morals can beacon and earn respects from their employees. Their actions can radiate positive impacts beyond the capacity of their offices. Therefore, business leaders must play critical roles in integrating ethics into enterprise core value by which they can direct their employees' mentality and behavior toward moral standards. The research purpose of this paper is to discuss the importance and contents of business ethical management in the hope that business leaders will respect business ethical management. At the same time, by introducing Total Ethical Management (TEM), integrating ethics into business management, forming an ethics-based business culture, and rebuilding the principles of business ethics, business organizations can make their management sustainable. In other words, it has special meaning and value to implement TEM, to draw much attention of business leaders to business ethical management, and to develop the functions of business ethics. The methodology employed by the author is mainly ethical perspective; while in the respect of philosophical concepts, the theory of utilitarian view, the theory of rights view, the theory of justice view, and the integrative social contracts theory are utilized for analysis. The author concludes that the application of TEM to business education, as a whole, can be made from leader's ethical leadership, employees' ethic education, creating an environment of ethics-based business culture, and then develop concrete measures from theories of ethics.