火车站的售票口、进站口、出站口都是旅客必经之地，在这些地方旅客的行动速度就会适当放慢，这样为人脸比对识别提供了有利的条件。一般相关部门会在售票处和进出站口安装录像监控设备，人工辨认方式进行脸部识别.-Station ticket booth, pit mouth, the station is travelers must pass through in these local action will be appropriate to slow down the speed of travelers, such as the human face than to provide favorable conditions for recognition. Generally relevant departments will install video surveillance equipment in and out of the station ticket office, artificial identify ways facial recognition.