The modern system of international law as one of its basic principles strictly prohibits interference in the internal affairs of States. The practice of the last decade has shown that some of the modern technologies and methods of solving international problems of human rights may go counter to this principle. One such form of solution to the problems of human rights violations is a «humanitarian intervention». The authors dispute the point of view that it has the illegality of violating the principle of non-interference in the internal affairs of the state.