1, four understandings: know the danger of post fire, know the measures to prevent fire, know how to put out the fire and know how to escape.

2. Four meetings: fire fighting equipment will be used, fire alarms will be reported, initial fires will be put out, and evacuation will be organized.

Extended data:

Know how to escape:

1, get familiar with the surrounding environment when you save yourself and escape, and evacuate the fire quickly;

2, emergency evacuation to ensure that the channel is not blocked, to ensure the smooth escape route;

3, emergency evacuation should obey the command, to ensure the orderly evacuation as soon as possible;

4. When an accident happens, call for help from others, don't delay time, so as to be rescued in time, and don't be greedy for property;

5. Learn to protect yourself, try to keep a low posture and crawl forward, and cover your nose and mouth with a wet towel;

6. Keep calm, use local materials, use curtains and sheets as ropes to escape safely;

7. Go straight to the passage when you escape, and don't enter the elevator to prevent being locked in the elevator;

8. When fireworks seal the escape passage, close the doors and windows, and block the gaps between doors and windows with wet towels to prevent smoke from invading the room;

9. When your clothes are on fire, don't panic and run around, roll on the spot and hold down the flame;

10, when there is no way to escape, you should call for help in time and escape from the predicament quickly.

References:

Baidu Encyclopedia-Four Comprehensions and Four Comprehensions