Ethics can be defined as moral beliefs about doing good in whole life and right acting. The man has always contemplated the same and was engaged in doing good. Ethics reflects on what kind of man should be. It is convention and description of social norms, habits and rules, but also the science that leads to thinking about what makes this rules good and useful. It is based on the Golden Rule which contains a complete philosophy of ethics and points to a internal relationship. The objectives of personal ethics are practical action of individuals in society, moral health, fulfillment of something you want to do with the fact that after committing feel good. Therefore, we could define the objectives of ethics as detection rules and norms of action which will access a specific action to solve a particular problem, considering it as a moral issue to achieve true satisfaction and have a life that is worth living to always do good. It is essential that there are certain norms and rules of conduct that would be primarily able to present the Golden Rule:. do good to others, whitch we want that others do to us. Business ethics is particularly began to study the 1970s and began to develop as a scientific discipline. Theologians and philosophers have laid the foundation for suggesting that certain moral principles should be applicable to business activities. It seems that the crisis prompted a return to basic values in business ethics. That's why as a source of business ethics takes virtue. Business ethics must provide a decision-making procedure, which shows that it does not necessarily mean that it should follow the previously established rules. Sometimes it is necessary that the same rule change and adapt it to suit the new situation. Results of empirical studies have shown that there is little influence on the personal ethics of business ethics in Croatia.