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. The features of the behavior of people in emergency situations are highlighted, the technical means used in extinguishing fires are presented. The description of the legal basis of fire protection is given, issues of state supervision are highlighted. Attention is paid to fire prevention.