The thesis discusses about traditions, principles and ethics of business in foreign trade. Foreign trade is an economic activity that involves the exchange of goods and services foreign countries, and the overall exchange of material and immaterial goods between them. Customs, principles and ethics of business today are the basis of the functioning for enterprises in foreign trade and exchange. Trade reaches far into the past. By sharing resources to provide for all necessary goods at a given time was not available to some people, but the same is exchanged for those goods that were redundant. The development of communication and other skills that contribute to the development of mankind improve the method of exchange. With the gradual development of technology and increasing of various new trends in economy, at the same time with it has the international trade develop and ist become an integral part of today's society and business, without we could hardly imagine functioning on a daily basis. The main task of foreign trade is that the goods or us in the most favorable conditions of purchases in sufficient quantities on the domestic market, and that the best conditions of sale, namely exporting domestic goods as well as all commercial services to foreign markets. In international trade rules and norms and regulations of the state standards, tariffs, procedures are great importance to the regular growth of trade. If there is no stability trade will lag behind other economic activities. International exchange of goods and services covers the entire world and it establishes relationships between business people from all over the world, which distinguish in that they represent different economic strength, have different views, interests and habits. Trade usages and practices are leading to the creation of balance within the business, social development and better functioning of the market. Successful business depends not only from a large number of employees, but also of the community, primarily local in which the company operates to the fullest extent.