General professional issues of life safety were considered. A description of the impact on the human body of various environmental factors is given, a classification of possible dangers is proposed, the rules for providing first aid to victims are disclosed. The basics of thermodynamics and heat transfer, principles of combustion and explosion are described, general rules for ensuring fire safety of buildings and structures are given. The issues of fire protection organization at the enterprise are considered and the procedure for actions in case of fire is shown.