Training employees in occupational safety is not just a formality, but a vital element of occupational safety, on which the health, life and efficiency of personnel on outsoursing directly depend. In the conditions of modern production, especially in large cities such as Moscow, the requirements for compliance with safety rules are becoming increasingly strict. Ignoring them can lead not only to injuries and emergencies, but also to serious fines for the company. To avoid risks, it is important to properly organize training and regularly check the knowledge of employees. In this article, we will consider how to build a safety training system, what types of briefings need to be conducted, who is responsible for the process and what methods are considered the most effective.