1, immediately open the doors and windows to let fresh air into the room.

2. Quickly transfer the poisoned person from a room with gas to a place with fresh air or ventilation.

3. Quickly untie the underwear, bra and belt of the poisoned person. Keep the poisoned person breathing smoothly.

4. If the poisoned person is unconscious, put it flat, wipe your mouth and give artificial respiration.

5. Poisoned personnel should be immediately sent to a nearby hospital or medical emergency center with hyperbaric oxygen chamber for help.

6. When entering the accident site with high gas concentration, rescuers should take personal protective measures and cover their nose and mouth with wet towels to reduce inhalation.

7. Don't wear shoes with nails on the soles to prevent sparks and explosions when walking.