Indoor fire alarm and evacuation method

The invention discloses an indoor fire alarm and evacuation method. The method comprises the steps of receiving an alarm triggering command sent by an alarm node; sending a wake-up command to all alarm nodes to make all the alarm nodes immediately send detection information to a server in real time; obtaining real-time weight information of all indoor routes according to the real-time detection information; receiving real-time location information of a mobile end; generating a real-time optimal evacuation route from a real-time location to any entrance according to normal-state weight information and the real-time weight information, namely an indoor route with the real-time maximal sum of normal-state weight and real-time weight from the real-time location to any entrance; sending the optimal evacuation route to the mobile end in real time according to ID information of the mobile end. Thus, through the adoption of the indoor fire alarm and evacuation method, the provided evacuation route is not only shortes