Based on the analysis and synthesis of domestic and foreign sources, the main theoretical principles are outlined, practical recommendations and advice are offered to more effectively solve problems in the field of increasing the level of business communication. The basic rules and recommendations are analyzed, without the knowledge and implementation of which it is impossible to maintain the reputation of a business person. Particular attention is paid to the consideration of problems of official, diplomatic and national etiquette. The appendices contain stencils for speeches of business people, options for composing business letters and appeals. For university students, business school students, managers at all levels, and anyone interested in the problems of business communication.