Ethics as a scientific discipline encompasses a system of values prescribed by moral norms and responsible behavior. In the last century, business ethics has developed as a special branch of ethics, and the subject of business ethics is certainly ethical conduct in the organization and making ethical decisions. For ethical conduct in the organization, it is necessary to act in accordance with the code of ethics which determines all the rules of the organization. However, for certain aspects of ethical business and conduct, it is necessary for a person to have innate values such as honesty, integrity and the like. Since research has proven that medical ethics is extremely important in the subject, numerous studies have been conducted, so codes of ethics have become an integral part of the work of health professionals. The Code of Ethics for Nurses and the Code of Ethics for Physicians prescribe the obligations of ethical conduct for both categories of health professionals for the conscientious treatment of patients and their care. The final paper analyzes the ethical business on the example of KBC Split, and a special role in the ethical business of KBC Split has the Ethics Committee. The main goal of the Ethics Committee of KBC Split is to resolve complaints and complaints of patients about the work of health professionals, making ethical decisions about biomedical research and the like.