Although ethics is not a new concept, the importance given to ethics in enterprises is increasing everyday. Especially in recent years, ethical collapse of enterprises has shaken the trust of consumers in enterprises and business managers. Therefore, this has led to an increasing interest in issues such as corporate governance, corporate social responsibility, and primarily business ethics. When it comes to business ethics, most of the ethical issues and misapplications are directly related to the marketing concept. In the previous years, there has been ethical problems related to the application of the concept of marketing ethics, which is examined under the title of business ethics in the literature. This study aims to discuss and question the concept of ethics and ethical problems encountered in the marketing practices and give general information about the critics on this issue within the literature.