The protocol allows the information to be sent in the prescribed manner and greatly facilitates the established mode of interaction, especially in the cultural sense. In modern society, different people communicate in different ways, just like people in different societies around the world, and the way people communicate the way they live. The paper deals with business communication, which is of particular importance to any organization that operates around the world, since such business communication is intertwined with different cultures. It is impossible to spread business horizons without constant improvement and adaptation to different cultures. Intercultural communication is a form of communication whose purpose is to exchange information across cultures and social groups and play a key role in international business ventures. For a successful business communication, it is extremely important to know the rules of conduct so that an important place in the work is taken for granted. In Chapter Bonton, the rules of behavior related to dating, business dress, business lunches / dinners, etc. are dealt with in more detail. The following three things are important for dealing with jobs: professionalism, knowledge and cultural behavior. Much of the non-verbal behavior is rooted in culture. One of the greatest challenges of globalization is its impact on culture and society. The paper also deals with models for addressing communication problems that may arise during intercultural communication. The models for successful communication problems are: the Communication Squadron, the Value and Development Squad, the Internal Team, the Riemann-Thomann Model, Intercultural Enchanted Circuits. In the last section dealing with the theoretical part, intercultural management is dealt with dealing with issues of interrelationships and interaction between members of different cultures when establishing communication aimed at effective co-operation and achieving business success on the international global market. The survey was conducted through a survey. The main topic of the survey concerns the research of cultural differences in business communication. The results of the research have come to the conclusion that cultural differences have a greater impact on business communication, that business subjects learn the main cultural elements they are encountering in dealing with other cultures, and that business people who understand better and know another culture have greater prospects for successful engagement Affairs.