“一米线”又称伸缩隔离带、栏杆座、警戒线、移动护栏杆,主要用于大型排队秩序控制以及定向人流疏导所必须的队列设施和科学的摆放规划。心理学上也有这样一个原则,即除了家人、恋人和挚友亲朋之外,人与人之间的心理安全距离恰好是一米。超过这个距离,人的心理就会紧张,感到个人安全和隐私受到了侵犯。亲子之间的关系属于亲密关系,他们在身体上可以保持亲密距离,这个距离近到可以相互拥抱,远到15～45厘米。问题是父母往往因为自己与孩子的亲密关系,以为自己与孩子就可 “One meter line ” also known as retractable isolation, railings, cordon, mobile guard rail, mainly used for large queuing order control and directional flow of people necessary to guide the queue facilities and scientific planning. In psychology, there is a principle that the psychological safety of people apart from family members, lovers and close friends is exactly one meter. Beyond this distance, people’s psychology will be nervous, feel personal safety and privacy have been violated. The relationship between parent-child relationship is intimacy, they can maintain close physical distance, the distance can be close to each other, as far as 15 to 45 cm. The problem is that parents often think themselves and their children because of their close relationship with their children