The basic skills of emergency rescue personnel include hidden danger investigation, preliminary disposal, escape organization and rescue coordination.

A state of emergency refers to a state in which some actions beyond normal working procedures need to be taken immediately to avoid accidents or mitigate the consequences of accidents, sometimes called a state of emergency. The "first responder" refers to the person who arrives at the scene at the first time after a sudden disaster, has the ability of rapid organization, command and coordination and professional disposal, and can command the on-site personnel to carry out rescue and relief by hand or with the help of simple tools.