In the case of the building toilet system and the fire escape method using the fire extinguisher, when the user evacuates to the toilet of the building due to the fire of the building, the module operation control device controls the air pressure inside the toilet The method comprising the steps of: when the user terminal of the user accesses a sub access point (AP) installed in the bathroom, the sub access point receives identifier information from each user terminal, And providing the bulletin board information to the destination terminal using the identifier information, and providing the bulletin information to the bulletin board terminal. Accordingly, the present invention can maintain the air pressure in the toilet room higher than the outside air pressure to prevent the outside smoke from flowing into the toilet, so that even when the abbreviation is not complicated, it can be safely evacuated from the fire .
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