The results of this study are as follows. 1. The essential qualities of marketing ethics are that the processes which commodities and services are transferred to consummers should be made equally after they are produced. 2. The ethics of marketing management are come up with in the fields of the managements of purchasing, distribution, sales and advertising. 3. The ethics of purchasing, distribution, sales, advertising is that each management activities should be done honestly. 4. The ethics of marketing research includes the right of examiners and examinees, the attitudes of research ethics, marketing ethics platforms. 5. The right of examiners and examinees should be respected, and research attitudes should be based on conscientiousness. 6. The enactment of marketing ethics platform and the education about marketing ethics are necessary in order to keep the high level of marketing ethics.