The purpose of this thesis is to define the terms "business protocol", "state protocol", "diplomatic protocol" and "etiquette", to describe some of the rules of social behavior and explain the importance of compliance with these rules. Equally important part is form of protocol and etiquette of diplomacy, for example how follow-up contacts between the countries each other, who is regarded as the initiator, what kind of ceremonial duties exist, how looks the organization of visits or how to choose appropriate gifts. This thesis is divided into three main chapters. The first part defines the basic concepts. The second part of the work focuses on the business protocol itself. It includes such topics as social priority, introduction, business c...