The results of research and design work on the creation of the RBMK-1000 nuclear power reactor - the first domestic serial reactor with a capacity of 1 million . k. Wt(el) intended for the development of nuclear energy of the country. The main scientific and technical problems that were solved during the development of the lead reactor . Described the design of the reactor proper, elements of the control and regulation system, biological protection The calculation-theoretical and experimental studies of the core, the principles of control and management of energy emission fields . are presented The reliability and radiation safety of the reactor is analyzed. For scientists, designers and specialists involved in the development and operation of nuclear power reactors, it will also be useful to teaching staff, graduate students and senior students of higher educational institutions specializing in nuclear energy.