The basics of mechanical engineering technology are outlined in accordance with the curriculum of the training course. Basic concepts and provisions, bases of basing, bases of process design, general principles of parts processing, causes of errors in mechanical processing are given. Calculation of cutting modes, methods of selecting the method of machining parts, the basis of technical standardization, ways to increase the productivity of machine tools are given. The sequence of assembly process design is shown. For university students studying in the direction of training bachelors and masters "Design and technological support of machine-building industries" and "Design of technological complexes of machine-building industries."