The contents of summarizing this study are as follows. 1. The elements of ethical decision making depend upon the individual characteristics. 2. The elements of ethical decision making depend upon the two aspects of the individual characteristics. 3. The ethical decision making processes of business managements consist of the three steps of utilitarianism, individual righteousness, fair distributions. 4. The ethical decision making processes of multinational corporations consist of the three steps of utilitarianism, individual righteousness, and fair distributions. The utilization methods of this study are as follows. 1. They can be reflected in the formulations of business ethics codes. 2. They can be utilized in the executions of business ethics educations. 3. They can be utilized as means to heighten the ethics standards of business interests groups.