Abstract: Most metro stations are underground buildings, so personnel evacuation after fire taking place is particularly important. Each station is equipped with automatic fire alarm system, which can alarm in time and guide passengers to evacuate in case of fire. Since the operation of Suzhou rail transit, dozens of fire linkage events have occurred, including real fire and false alarm. After the fire took place, each equipment discipline needs to restore the linkage equipment in time to ensure the normal operation of passenger service. The recovery efficiency of fire linkage equipment is particularly important. The fire linkage condition and linkage equipment recovery modes of different lines of Suzhou Rail Transit are introduced. The existing problems in linkage equipment recovery are analyzed. Suggestions are proposed for improving linkage equipment recovery efficiency.